Home / 147,590.10-221,361.39-42,385.14

Finding the Fourth Proportional to 147,590.10, 221,361.39 and 42,385.14

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Solution

The fourth proportional to 147,590.10, 221,361.39 and 42,385.14 is: 63,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,590.10 : 221,361.39 = 42,385.14 : x
  2. Step 2: Convert to fraction form
    147,590.10/221,361.39 = 42,385.14/x
  3. Step 3: Cross multiply
    147,590.10x = 221,361.39 × 42,385.14
  4. Step 4: Simplify right side
    147,590.10x = 9,382,433,505.74
  5. Step 5: Solve for x
    x = 9,382,433,505.74/147,590.10
  6. Step 6: Final answer
    x = 63,570.89

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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.