Home / 127,553.10-176,034.78-70,203.89

Finding the Fourth Proportional to 127,553.10, 176,034.78 and 70,203.89

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Solution

The fourth proportional to 127,553.10, 176,034.78 and 70,203.89 is: 96,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,553.10 : 176,034.78 = 70,203.89 : x
  2. Step 2: Convert to fraction form
    127,553.10/176,034.78 = 70,203.89/x
  3. Step 3: Cross multiply
    127,553.10x = 176,034.78 × 70,203.89
  4. Step 4: Simplify right side
    127,553.10x = 12,358,325,451.12
  5. Step 5: Solve for x
    x = 12,358,325,451.12/127,553.10
  6. Step 6: Final answer
    x = 96,887.69

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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.