Home / 117,529.73-176,216.31-42,640.17

Finding the Fourth Proportional to 117,529.73, 176,216.31 and 42,640.17

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Solution

The fourth proportional to 117,529.73, 176,216.31 and 42,640.17 is: 63,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,529.73 : 176,216.31 = 42,640.17 : x
  2. Step 2: Convert to fraction form
    117,529.73/176,216.31 = 42,640.17/x
  3. Step 3: Cross multiply
    117,529.73x = 176,216.31 × 42,640.17
  4. Step 4: Simplify right side
    117,529.73x = 7,513,893,745.58
  5. Step 5: Solve for x
    x = 7,513,893,745.58/117,529.73
  6. Step 6: Final answer
    x = 63,931.85

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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.