Home / 105,737.27-158,641.45-39,182.76

Finding the Fourth Proportional to 105,737.27, 158,641.45 and 39,182.76

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Solution

The fourth proportional to 105,737.27, 158,641.45 and 39,182.76 is: 58,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,737.27 : 158,641.45 = 39,182.76 : x
  2. Step 2: Convert to fraction form
    105,737.27/158,641.45 = 39,182.76/x
  3. Step 3: Cross multiply
    105,737.27x = 158,641.45 × 39,182.76
  4. Step 4: Simplify right side
    105,737.27x = 6,216,009,861.40
  5. Step 5: Solve for x
    x = 6,216,009,861.40/105,737.27
  6. Step 6: Final answer
    x = 58,787.31

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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.