Home / 147,424.74-221,006.18-57,446.62

Finding the Fourth Proportional to 147,424.74, 221,006.18 and 57,446.62

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Solution

The fourth proportional to 147,424.74, 221,006.18 and 57,446.62 is: 86,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,424.74 : 221,006.18 = 57,446.62 : x
  2. Step 2: Convert to fraction form
    147,424.74/221,006.18 = 57,446.62/x
  3. Step 3: Cross multiply
    147,424.74x = 221,006.18 × 57,446.62
  4. Step 4: Simplify right side
    147,424.74x = 12,696,058,040.11
  5. Step 5: Solve for x
    x = 12,696,058,040.11/147,424.74
  6. Step 6: Final answer
    x = 86,118.91

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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.