Home / 134,726.53-185,920.02-74,302.76

Finding the Fourth Proportional to 134,726.53, 185,920.02 and 74,302.76

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Solution

The fourth proportional to 134,726.53, 185,920.02 and 74,302.76 is: 102,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,726.53 : 185,920.02 = 74,302.76 : x
  2. Step 2: Convert to fraction form
    134,726.53/185,920.02 = 74,302.76/x
  3. Step 3: Cross multiply
    134,726.53x = 185,920.02 × 74,302.76
  4. Step 4: Simplify right side
    134,726.53x = 13,814,369,695.66
  5. Step 5: Solve for x
    x = 13,814,369,695.66/134,726.53
  6. Step 6: Final answer
    x = 102,536.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.