Home / 236,568.02-326,451.40-129,117.20

Finding the Fourth Proportional to 236,568.02, 326,451.40 and 129,117.20

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Solution

The fourth proportional to 236,568.02, 326,451.40 and 129,117.20 is: 178,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,568.02 : 326,451.40 = 129,117.20 : x
  2. Step 2: Convert to fraction form
    236,568.02/326,451.40 = 129,117.20/x
  3. Step 3: Cross multiply
    236,568.02x = 326,451.40 × 129,117.20
  4. Step 4: Simplify right side
    236,568.02x = 42,150,488,749.03
  5. Step 5: Solve for x
    x = 42,150,488,749.03/236,568.02
  6. Step 6: Final answer
    x = 178,174.93

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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.