Home / 127,718.60-191,577.92-52,756.36

Finding the Fourth Proportional to 127,718.60, 191,577.92 and 52,756.36

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Solution

The fourth proportional to 127,718.60, 191,577.92 and 52,756.36 is: 79,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,718.60 : 191,577.92 = 52,756.36 : x
  2. Step 2: Convert to fraction form
    127,718.60/191,577.92 = 52,756.36/x
  3. Step 3: Cross multiply
    127,718.60x = 191,577.92 × 52,756.36
  4. Step 4: Simplify right side
    127,718.60x = 10,106,953,715.57
  5. Step 5: Solve for x
    x = 10,106,953,715.57/127,718.60
  6. Step 6: Final answer
    x = 79,134.55

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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.