Home / 236,569.02-326,452.78-129,118.20

Finding the Fourth Proportional to 236,569.02, 326,452.78 and 129,118.20

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Solution

The fourth proportional to 236,569.02, 326,452.78 and 129,118.20 is: 178,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,569.02 : 326,452.78 = 129,118.20 : x
  2. Step 2: Convert to fraction form
    236,569.02/326,452.78 = 129,118.20/x
  3. Step 3: Cross multiply
    236,569.02x = 326,452.78 × 129,118.20
  4. Step 4: Simplify right side
    236,569.02x = 42,150,995,338.60
  5. Step 5: Solve for x
    x = 42,150,995,338.60/236,569.02
  6. Step 6: Final answer
    x = 178,176.31

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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.