Home / 127,658.40-176,167.10-70,296.53

Finding the Fourth Proportional to 127,658.40, 176,167.10 and 70,296.53

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Solution

The fourth proportional to 127,658.40, 176,167.10 and 70,296.53 is: 97,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,658.40 : 176,167.10 = 70,296.53 : x
  2. Step 2: Convert to fraction form
    127,658.40/176,167.10 = 70,296.53/x
  3. Step 3: Cross multiply
    127,658.40x = 176,167.10 × 70,296.53
  4. Step 4: Simplify right side
    127,658.40x = 12,383,935,125.07
  5. Step 5: Solve for x
    x = 12,383,935,125.07/127,658.40
  6. Step 6: Final answer
    x = 97,008.39

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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.