Home / 236,519.16-326,393.92-129,088.32

Finding the Fourth Proportional to 236,519.16, 326,393.92 and 129,088.32

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Solution

The fourth proportional to 236,519.16, 326,393.92 and 129,088.32 is: 178,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,519.16 : 326,393.92 = 129,088.32 : x
  2. Step 2: Convert to fraction form
    236,519.16/326,393.92 = 129,088.32/x
  3. Step 3: Cross multiply
    236,519.16x = 326,393.92 × 129,088.32
  4. Step 4: Simplify right side
    236,519.16x = 42,133,642,791.01
  5. Step 5: Solve for x
    x = 42,133,642,791.01/236,519.16
  6. Step 6: Final answer
    x = 178,140.51

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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.