Home / 167,385.12-251,077.60-42,726.08

Finding the Fourth Proportional to 167,385.12, 251,077.60 and 42,726.08

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Solution

The fourth proportional to 167,385.12, 251,077.60 and 42,726.08 is: 64,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,385.12 : 251,077.60 = 42,726.08 : x
  2. Step 2: Convert to fraction form
    167,385.12/251,077.60 = 42,726.08/x
  3. Step 3: Cross multiply
    167,385.12x = 251,077.60 × 42,726.08
  4. Step 4: Simplify right side
    167,385.12x = 10,727,561,623.81
  5. Step 5: Solve for x
    x = 10,727,561,623.81/167,385.12
  6. Step 6: Final answer
    x = 64,089.10

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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.