Home / 126,194.76-174,158.10-72,482.04

Finding the Fourth Proportional to 126,194.76, 174,158.10 and 72,482.04

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Solution

The fourth proportional to 126,194.76, 174,158.10 and 72,482.04 is: 100,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,194.76 : 174,158.10 = 72,482.04 : x
  2. Step 2: Convert to fraction form
    126,194.76/174,158.10 = 72,482.04/x
  3. Step 3: Cross multiply
    126,194.76x = 174,158.10 × 72,482.04
  4. Step 4: Simplify right side
    126,194.76x = 12,623,334,370.52
  5. Step 5: Solve for x
    x = 12,623,334,370.52/126,194.76
  6. Step 6: Final answer
    x = 100,030.57

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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.