Home / 173,780.09-239,820.17-98,328.59

Finding the Fourth Proportional to 173,780.09, 239,820.17 and 98,328.59

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Solution

The fourth proportional to 173,780.09, 239,820.17 and 98,328.59 is: 135,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,780.09 : 239,820.17 = 98,328.59 : x
  2. Step 2: Convert to fraction form
    173,780.09/239,820.17 = 98,328.59/x
  3. Step 3: Cross multiply
    173,780.09x = 239,820.17 × 98,328.59
  4. Step 4: Simplify right side
    173,780.09x = 23,581,177,478.92
  5. Step 5: Solve for x
    x = 23,581,177,478.92/173,780.09
  6. Step 6: Final answer
    x = 135,695.51

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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.