Home / 236,756.16-326,711.61-129,306.42

Finding the Fourth Proportional to 236,756.16, 326,711.61 and 129,306.42

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Solution

The fourth proportional to 236,756.16, 326,711.61 and 129,306.42 is: 178,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,756.16 : 326,711.61 = 129,306.42 : x
  2. Step 2: Convert to fraction form
    236,756.16/326,711.61 = 129,306.42/x
  3. Step 3: Cross multiply
    236,756.16x = 326,711.61 × 129,306.42
  4. Step 4: Simplify right side
    236,756.16x = 42,245,908,661.54
  5. Step 5: Solve for x
    x = 42,245,908,661.54/236,756.16
  6. Step 6: Final answer
    x = 178,436.37

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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.