Home / 156,666.42-216,176.85-89,585.46

Finding the Fourth Proportional to 156,666.42, 216,176.85 and 89,585.46

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Solution

The fourth proportional to 156,666.42, 216,176.85 and 89,585.46 is: 123,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,666.42 : 216,176.85 = 89,585.46 : x
  2. Step 2: Convert to fraction form
    156,666.42/216,176.85 = 89,585.46/x
  3. Step 3: Cross multiply
    156,666.42x = 216,176.85 × 89,585.46
  4. Step 4: Simplify right side
    156,666.42x = 19,366,302,548.60
  5. Step 5: Solve for x
    x = 19,366,302,548.60/156,666.42
  6. Step 6: Final answer
    x = 123,614.89

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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.