Home / 124,850.56-172,281.44-71,131.36

Finding the Fourth Proportional to 124,850.56, 172,281.44 and 71,131.36

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Solution

The fourth proportional to 124,850.56, 172,281.44 and 71,131.36 is: 98,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,850.56 : 172,281.44 = 71,131.36 : x
  2. Step 2: Convert to fraction form
    124,850.56/172,281.44 = 71,131.36/x
  3. Step 3: Cross multiply
    124,850.56x = 172,281.44 × 71,131.36
  4. Step 4: Simplify right side
    124,850.56x = 12,254,613,129.96
  5. Step 5: Solve for x
    x = 12,254,613,129.96/124,850.56
  6. Step 6: Final answer
    x = 98,154.25

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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.