Home / 236,934.04-326,960.04-129,503.20

Finding the Fourth Proportional to 236,934.04, 326,960.04 and 129,503.20

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Solution

The fourth proportional to 236,934.04, 326,960.04 and 129,503.20 is: 178,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,934.04 : 326,960.04 = 129,503.20 : x
  2. Step 2: Convert to fraction form
    236,934.04/326,960.04 = 129,503.20/x
  3. Step 3: Cross multiply
    236,934.04x = 326,960.04 × 129,503.20
  4. Step 4: Simplify right side
    236,934.04x = 42,342,371,452.13
  5. Step 5: Solve for x
    x = 42,342,371,452.13/236,934.04
  6. Step 6: Final answer
    x = 178,709.53

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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.