Home / 134,747.16-185,951.34-74,316.12

Finding the Fourth Proportional to 134,747.16, 185,951.34 and 74,316.12

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Solution

The fourth proportional to 134,747.16, 185,951.34 and 74,316.12 is: 102,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,747.16 : 185,951.34 = 74,316.12 : x
  2. Step 2: Convert to fraction form
    134,747.16/185,951.34 = 74,316.12/x
  3. Step 3: Cross multiply
    134,747.16x = 185,951.34 × 74,316.12
  4. Step 4: Simplify right side
    134,747.16x = 13,819,182,097.60
  5. Step 5: Solve for x
    x = 13,819,182,097.60/134,747.16
  6. Step 6: Final answer
    x = 102,556.39

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1.5x scale

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.