Home / 288,023.10-432,034.65-163,607.10

Finding the Fourth Proportional to 288,023.10, 432,034.65 and 163,607.10

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Solution

The fourth proportional to 288,023.10, 432,034.65 and 163,607.10 is: 245,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,023.10 : 432,034.65 = 163,607.10 : x
  2. Step 2: Convert to fraction form
    288,023.10/432,034.65 = 163,607.10/x
  3. Step 3: Cross multiply
    288,023.10x = 432,034.65 × 163,607.10
  4. Step 4: Simplify right side
    288,023.10x = 70,683,936,186.02
  5. Step 5: Solve for x
    x = 70,683,936,186.02/288,023.10
  6. Step 6: Final answer
    x = 245,410.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.