Home / 127,677.14-176,199.90-71,088.50

Finding the Fourth Proportional to 127,677.14, 176,199.90 and 71,088.50

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Solution

The fourth proportional to 127,677.14, 176,199.90 and 71,088.50 is: 98,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,677.14 : 176,199.90 = 71,088.50 : x
  2. Step 2: Convert to fraction form
    127,677.14/176,199.90 = 71,088.50/x
  3. Step 3: Cross multiply
    127,677.14x = 176,199.90 × 71,088.50
  4. Step 4: Simplify right side
    127,677.14x = 12,525,786,591.15
  5. Step 5: Solve for x
    x = 12,525,786,591.15/127,677.14
  6. Step 6: Final answer
    x = 98,105.16

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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.