Home / 236,693.96-326,640.28-129,267.16

Finding the Fourth Proportional to 236,693.96, 326,640.28 and 129,267.16

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Solution

The fourth proportional to 236,693.96, 326,640.28 and 129,267.16 is: 178,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,693.96 : 326,640.28 = 129,267.16 : x
  2. Step 2: Convert to fraction form
    236,693.96/326,640.28 = 129,267.16/x
  3. Step 3: Cross multiply
    236,693.96x = 326,640.28 × 129,267.16
  4. Step 4: Simplify right side
    236,693.96x = 42,223,861,337.20
  5. Step 5: Solve for x
    x = 42,223,861,337.20/236,693.96
  6. Step 6: Final answer
    x = 178,390.11

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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.