Home / 126,337.80-174,417.13-87,632.02

Finding the Fourth Proportional to 126,337.80, 174,417.13 and 87,632.02

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Solution

The fourth proportional to 126,337.80, 174,417.13 and 87,632.02 is: 120,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,337.80 : 174,417.13 = 87,632.02 : x
  2. Step 2: Convert to fraction form
    126,337.80/174,417.13 = 87,632.02/x
  3. Step 3: Cross multiply
    126,337.80x = 174,417.13 × 87,632.02
  4. Step 4: Simplify right side
    126,337.80x = 15,284,525,424.50
  5. Step 5: Solve for x
    x = 15,284,525,424.50/126,337.80
  6. Step 6: Final answer
    x = 120,981.41

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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.