Home / 459,123.57-688,290.92-159,565.23

Finding the Fourth Proportional to 459,123.57, 688,290.92 and 159,565.23

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Solution

The fourth proportional to 459,123.57, 688,290.92 and 159,565.23 is: 239,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,123.57 : 688,290.92 = 159,565.23 : x
  2. Step 2: Convert to fraction form
    459,123.57/688,290.92 = 159,565.23/x
  3. Step 3: Cross multiply
    459,123.57x = 688,290.92 × 159,565.23
  4. Step 4: Simplify right side
    459,123.57x = 109,827,298,158.89
  5. Step 5: Solve for x
    x = 109,827,298,158.89/459,123.57
  6. Step 6: Final answer
    x = 239,210.76

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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.