Home / 127,417.10-191,148.60-52,496.28

Finding the Fourth Proportional to 127,417.10, 191,148.60 and 52,496.28

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Solution

The fourth proportional to 127,417.10, 191,148.60 and 52,496.28 is: 78,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,417.10 : 191,148.60 = 52,496.28 : x
  2. Step 2: Convert to fraction form
    127,417.10/191,148.60 = 52,496.28/x
  3. Step 3: Cross multiply
    127,417.10x = 191,148.60 × 52,496.28
  4. Step 4: Simplify right side
    127,417.10x = 10,034,590,427.21
  5. Step 5: Solve for x
    x = 10,034,590,427.21/127,417.10
  6. Step 6: Final answer
    x = 78,753.88

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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.