Home / 118,002.40-176,938-39,073.58

Finding the Fourth Proportional to 118,002.40, 176,938 and 39,073.58

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Solution

The fourth proportional to 118,002.40, 176,938 and 39,073.58 is: 58,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,002.40 : 176,938 = 39,073.58 : x
  2. Step 2: Convert to fraction form
    118,002.40/176,938 = 39,073.58/x
  3. Step 3: Cross multiply
    118,002.40x = 176,938 × 39,073.58
  4. Step 4: Simplify right side
    118,002.40x = 6,913,601,098.04
  5. Step 5: Solve for x
    x = 6,913,601,098.04/118,002.40
  6. Step 6: Final answer
    x = 58,588.65

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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.