Home / 157,160.57-216,886.19-85,545.23

Finding the Fourth Proportional to 157,160.57, 216,886.19 and 85,545.23

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Solution

The fourth proportional to 157,160.57, 216,886.19 and 85,545.23 is: 118,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,160.57 : 216,886.19 = 85,545.23 : x
  2. Step 2: Convert to fraction form
    157,160.57/216,886.19 = 85,545.23/x
  3. Step 3: Cross multiply
    157,160.57x = 216,886.19 × 85,545.23
  4. Step 4: Simplify right side
    157,160.57x = 18,553,577,495.22
  5. Step 5: Solve for x
    x = 18,553,577,495.22/157,160.57
  6. Step 6: Final answer
    x = 118,054.92

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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.