Home / 127,687.33-176,207.09-70,325.56

Finding the Fourth Proportional to 127,687.33, 176,207.09 and 70,325.56

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Solution

The fourth proportional to 127,687.33, 176,207.09 and 70,325.56 is: 97,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,687.33 : 176,207.09 = 70,325.56 : x
  2. Step 2: Convert to fraction form
    127,687.33/176,207.09 = 70,325.56/x
  3. Step 3: Cross multiply
    127,687.33x = 176,207.09 × 70,325.56
  4. Step 4: Simplify right side
    127,687.33x = 12,391,862,280.22
  5. Step 5: Solve for x
    x = 12,391,862,280.22/127,687.33
  6. Step 6: Final answer
    x = 97,048.49

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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.