Home / 134,680.50-185,848.70-74,250.96

Finding the Fourth Proportional to 134,680.50, 185,848.70 and 74,250.96

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Solution

The fourth proportional to 134,680.50, 185,848.70 and 74,250.96 is: 102,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680.50 : 185,848.70 = 74,250.96 : x
  2. Step 2: Convert to fraction form
    134,680.50/185,848.70 = 74,250.96/x
  3. Step 3: Cross multiply
    134,680.50x = 185,848.70 × 74,250.96
  4. Step 4: Simplify right side
    134,680.50x = 13,799,444,389.75
  5. Step 5: Solve for x
    x = 13,799,444,389.75/134,680.50
  6. Step 6: Final answer
    x = 102,460.60

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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.