Home / 134,663.12-185,837.46-74,233.40

Finding the Fourth Proportional to 134,663.12, 185,837.46 and 74,233.40

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Solution

The fourth proportional to 134,663.12, 185,837.46 and 74,233.40 is: 102,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,663.12 : 185,837.46 = 74,233.40 : x
  2. Step 2: Convert to fraction form
    134,663.12/185,837.46 = 74,233.40/x
  3. Step 3: Cross multiply
    134,663.12x = 185,837.46 × 74,233.40
  4. Step 4: Simplify right side
    134,663.12x = 13,795,346,503.16
  5. Step 5: Solve for x
    x = 13,795,346,503.16/134,663.12
  6. Step 6: Final answer
    x = 102,443.39

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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.