Home / 130,417.38-195,654.15-40,458.27

Finding the Fourth Proportional to 130,417.38, 195,654.15 and 40,458.27

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Solution

The fourth proportional to 130,417.38, 195,654.15 and 40,458.27 is: 60,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,417.38 : 195,654.15 = 40,458.27 : x
  2. Step 2: Convert to fraction form
    130,417.38/195,654.15 = 40,458.27/x
  3. Step 3: Cross multiply
    130,417.38x = 195,654.15 × 40,458.27
  4. Step 4: Simplify right side
    130,417.38x = 7,915,828,427.32
  5. Step 5: Solve for x
    x = 7,915,828,427.32/130,417.38
  6. Step 6: Final answer
    x = 60,696.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.