Home / 287,168.28-396,292.18-159,841.16

Finding the Fourth Proportional to 287,168.28, 396,292.18 and 159,841.16

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Solution

The fourth proportional to 287,168.28, 396,292.18 and 159,841.16 is: 220,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,168.28 : 396,292.18 = 159,841.16 : x
  2. Step 2: Convert to fraction form
    287,168.28/396,292.18 = 159,841.16/x
  3. Step 3: Cross multiply
    287,168.28x = 396,292.18 × 159,841.16
  4. Step 4: Simplify right side
    287,168.28x = 63,343,801,750.13
  5. Step 5: Solve for x
    x = 63,343,801,750.13/287,168.28
  6. Step 6: Final answer
    x = 220,580.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.