Home / 157,472.04-217,318.23-85,856.16

Finding the Fourth Proportional to 157,472.04, 217,318.23 and 85,856.16

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Solution

The fourth proportional to 157,472.04, 217,318.23 and 85,856.16 is: 118,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,472.04 : 217,318.23 = 85,856.16 : x
  2. Step 2: Convert to fraction form
    157,472.04/217,318.23 = 85,856.16/x
  3. Step 3: Cross multiply
    157,472.04x = 217,318.23 × 85,856.16
  4. Step 4: Simplify right side
    157,472.04x = 18,658,108,725.80
  5. Step 5: Solve for x
    x = 18,658,108,725.80/157,472.04
  6. Step 6: Final answer
    x = 118,485.22

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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.