Home / 236,700.69-326,632.50-129,248.88

Finding the Fourth Proportional to 236,700.69, 326,632.50 and 129,248.88

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Solution

The fourth proportional to 236,700.69, 326,632.50 and 129,248.88 is: 178,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,700.69 : 326,632.50 = 129,248.88 : x
  2. Step 2: Convert to fraction form
    236,700.69/326,632.50 = 129,248.88/x
  3. Step 3: Cross multiply
    236,700.69x = 326,632.50 × 129,248.88
  4. Step 4: Simplify right side
    236,700.69x = 42,216,884,796.60
  5. Step 5: Solve for x
    x = 42,216,884,796.60/236,700.69
  6. Step 6: Final answer
    x = 178,355.56

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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.