Home / 134,548.67-185,670.27-74,118

Finding the Fourth Proportional to 134,548.67, 185,670.27 and 74,118

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Solution

The fourth proportional to 134,548.67, 185,670.27 and 74,118 is: 102,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,548.67 : 185,670.27 = 74,118 : x
  2. Step 2: Convert to fraction form
    134,548.67/185,670.27 = 74,118/x
  3. Step 3: Cross multiply
    134,548.67x = 185,670.27 × 74,118
  4. Step 4: Simplify right side
    134,548.67x = 13,761,509,071.86
  5. Step 5: Solve for x
    x = 13,761,509,071.86/134,548.67
  6. Step 6: Final answer
    x = 102,279.05

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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.