Home / 102,421.44-153,632.16-32,306.20

Finding the Fourth Proportional to 102,421.44, 153,632.16 and 32,306.20

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Solution

The fourth proportional to 102,421.44, 153,632.16 and 32,306.20 is: 48,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,421.44 : 153,632.16 = 32,306.20 : x
  2. Step 2: Convert to fraction form
    102,421.44/153,632.16 = 32,306.20/x
  3. Step 3: Cross multiply
    102,421.44x = 153,632.16 × 32,306.20
  4. Step 4: Simplify right side
    102,421.44x = 4,963,271,287.39
  5. Step 5: Solve for x
    x = 4,963,271,287.39/102,421.44
  6. Step 6: Final answer
    x = 48,459.30

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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.