Home / 288,925.38-433,434.18-89,198.82

Finding the Fourth Proportional to 288,925.38, 433,434.18 and 89,198.82

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Solution

The fourth proportional to 288,925.38, 433,434.18 and 89,198.82 is: 133,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,925.38 : 433,434.18 = 89,198.82 : x
  2. Step 2: Convert to fraction form
    288,925.38/433,434.18 = 89,198.82/x
  3. Step 3: Cross multiply
    288,925.38x = 433,434.18 × 89,198.82
  4. Step 4: Simplify right side
    288,925.38x = 38,661,817,403.67
  5. Step 5: Solve for x
    x = 38,661,817,403.67/288,925.38
  6. Step 6: Final answer
    x = 133,812.47

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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.