Home / 134,678.76-185,853.27-74,248.01

Finding the Fourth Proportional to 134,678.76, 185,853.27 and 74,248.01

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Solution

The fourth proportional to 134,678.76, 185,853.27 and 74,248.01 is: 102,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,678.76 : 185,853.27 = 74,248.01 : x
  2. Step 2: Convert to fraction form
    134,678.76/185,853.27 = 74,248.01/x
  3. Step 3: Cross multiply
    134,678.76x = 185,853.27 × 74,248.01
  4. Step 4: Simplify right side
    134,678.76x = 13,799,234,520.23
  5. Step 5: Solve for x
    x = 13,799,234,520.23/134,678.76
  6. Step 6: Final answer
    x = 102,460.36

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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.