Home / 124,950.16-172,458.90-86,242.33

Finding the Fourth Proportional to 124,950.16, 172,458.90 and 86,242.33

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Solution

The fourth proportional to 124,950.16, 172,458.90 and 86,242.33 is: 119,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,950.16 : 172,458.90 = 86,242.33 : x
  2. Step 2: Convert to fraction form
    124,950.16/172,458.90 = 86,242.33/x
  3. Step 3: Cross multiply
    124,950.16x = 172,458.90 × 86,242.33
  4. Step 4: Simplify right side
    124,950.16x = 14,873,257,365.24
  5. Step 5: Solve for x
    x = 14,873,257,365.24/124,950.16
  6. Step 6: Final answer
    x = 119,033.52

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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.