Home / 236,557.60-326,437.68-129,132.16

Finding the Fourth Proportional to 236,557.60, 326,437.68 and 129,132.16

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Solution

The fourth proportional to 236,557.60, 326,437.68 and 129,132.16 is: 178,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,557.60 : 326,437.68 = 129,132.16 : x
  2. Step 2: Convert to fraction form
    236,557.60/326,437.68 = 129,132.16/x
  3. Step 3: Cross multiply
    236,557.60x = 326,437.68 × 129,132.16
  4. Step 4: Simplify right side
    236,557.60x = 42,153,602,723.79
  5. Step 5: Solve for x
    x = 42,153,602,723.79/236,557.60
  6. Step 6: Final answer
    x = 178,195.94

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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.