Home / 288,392.10-432,586.78-160,248.00

Finding the Fourth Proportional to 288,392.10, 432,586.78 and 160,248.00

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Solution

The fourth proportional to 288,392.10, 432,586.78 and 160,248.00 is: 240,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,392.10 : 432,586.78 = 160,248.00 : x
  2. Step 2: Convert to fraction form
    288,392.10/432,586.78 = 160,248.00/x
  3. Step 3: Cross multiply
    288,392.10x = 432,586.78 × 160,248.00
  4. Step 4: Simplify right side
    288,392.10x = 69,321,167,543.02
  5. Step 5: Solve for x
    x = 69,321,167,543.02/288,392.10
  6. Step 6: Final answer
    x = 240,371.25

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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.