Home / 127,988.90-176,673.11-96,249.45

Finding the Fourth Proportional to 127,988.90, 176,673.11 and 96,249.45

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Solution

The fourth proportional to 127,988.90, 176,673.11 and 96,249.45 is: 132,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,988.90 : 176,673.11 = 96,249.45 : x
  2. Step 2: Convert to fraction form
    127,988.90/176,673.11 = 96,249.45/x
  3. Step 3: Cross multiply
    127,988.90x = 176,673.11 × 96,249.45
  4. Step 4: Simplify right side
    127,988.90x = 17,004,689,186.04
  5. Step 5: Solve for x
    x = 17,004,689,186.04/127,988.90
  6. Step 6: Final answer
    x = 132,860.66

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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.