Home / 134,543.01-185,670.59-74,115.80

Finding the Fourth Proportional to 134,543.01, 185,670.59 and 74,115.80

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Solution

The fourth proportional to 134,543.01, 185,670.59 and 74,115.80 is: 102,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,543.01 : 185,670.59 = 74,115.80 : x
  2. Step 2: Convert to fraction form
    134,543.01/185,670.59 = 74,115.80/x
  3. Step 3: Cross multiply
    134,543.01x = 185,670.59 × 74,115.80
  4. Step 4: Simplify right side
    134,543.01x = 13,761,124,314.32
  5. Step 5: Solve for x
    x = 13,761,124,314.32/134,543.01
  6. Step 6: Final answer
    x = 102,280.48

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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.