Home / 147,508.85-221,264.49-42,331.16

Finding the Fourth Proportional to 147,508.85, 221,264.49 and 42,331.16

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Solution

The fourth proportional to 147,508.85, 221,264.49 and 42,331.16 is: 63,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,508.85 : 221,264.49 = 42,331.16 : x
  2. Step 2: Convert to fraction form
    147,508.85/221,264.49 = 42,331.16/x
  3. Step 3: Cross multiply
    147,508.85x = 221,264.49 × 42,331.16
  4. Step 4: Simplify right side
    147,508.85x = 9,366,382,528.51
  5. Step 5: Solve for x
    x = 9,366,382,528.51/147,508.85
  6. Step 6: Final answer
    x = 63,497.09

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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.