Home / 236,736.17-326,693.76-129,306.17

Finding the Fourth Proportional to 236,736.17, 326,693.76 and 129,306.17

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Solution

The fourth proportional to 236,736.17, 326,693.76 and 129,306.17 is: 178,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,736.17 : 326,693.76 = 129,306.17 : x
  2. Step 2: Convert to fraction form
    236,736.17/326,693.76 = 129,306.17/x
  3. Step 3: Cross multiply
    236,736.17x = 326,693.76 × 129,306.17
  4. Step 4: Simplify right side
    236,736.17x = 42,243,519,200.34
  5. Step 5: Solve for x
    x = 42,243,519,200.34/236,736.17
  6. Step 6: Final answer
    x = 178,441.34

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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.