Home / 236,501.68-326,373.24-129,074.13

Finding the Fourth Proportional to 236,501.68, 326,373.24 and 129,074.13

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Solution

The fourth proportional to 236,501.68, 326,373.24 and 129,074.13 is: 178,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,501.68 : 326,373.24 = 129,074.13 : x
  2. Step 2: Convert to fraction form
    236,501.68/326,373.24 = 129,074.13/x
  3. Step 3: Cross multiply
    236,501.68x = 326,373.24 × 129,074.13
  4. Step 4: Simplify right side
    236,501.68x = 42,126,342,008.28
  5. Step 5: Solve for x
    x = 42,126,342,008.28/236,501.68
  6. Step 6: Final answer
    x = 178,122.80

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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.