Home / 147,587.10-221,356.89-42,382.14

Finding the Fourth Proportional to 147,587.10, 221,356.89 and 42,382.14

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Solution

The fourth proportional to 147,587.10, 221,356.89 and 42,382.14 is: 63,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,587.10 : 221,356.89 = 42,382.14 : x
  2. Step 2: Convert to fraction form
    147,587.10/221,356.89 = 42,382.14/x
  3. Step 3: Cross multiply
    147,587.10x = 221,356.89 × 42,382.14
  4. Step 4: Simplify right side
    147,587.10x = 9,381,578,701.94
  5. Step 5: Solve for x
    x = 9,381,578,701.94/147,587.10
  6. Step 6: Final answer
    x = 63,566.39

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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.