Home / 127,687.48-176,207.07-70,325.71

Finding the Fourth Proportional to 127,687.48, 176,207.07 and 70,325.71

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Solution

The fourth proportional to 127,687.48, 176,207.07 and 70,325.71 is: 97,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,687.48 : 176,207.07 = 70,325.71 : x
  2. Step 2: Convert to fraction form
    127,687.48/176,207.07 = 70,325.71/x
  3. Step 3: Cross multiply
    127,687.48x = 176,207.07 × 70,325.71
  4. Step 4: Simplify right side
    127,687.48x = 12,391,887,304.77
  5. Step 5: Solve for x
    x = 12,391,887,304.77/127,687.48
  6. Step 6: Final answer
    x = 97,048.57

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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.