Home / 236,693.16-326,634.88-129,263.22

Finding the Fourth Proportional to 236,693.16, 326,634.88 and 129,263.22

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Solution

The fourth proportional to 236,693.16, 326,634.88 and 129,263.22 is: 178,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,693.16 : 326,634.88 = 129,263.22 : x
  2. Step 2: Convert to fraction form
    236,693.16/326,634.88 = 129,263.22/x
  3. Step 3: Cross multiply
    236,693.16x = 326,634.88 × 129,263.22
  4. Step 4: Simplify right side
    236,693.16x = 42,221,876,353.11
  5. Step 5: Solve for x
    x = 42,221,876,353.11/236,693.16
  6. Step 6: Final answer
    x = 178,382.33

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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.