Home / 240,129.93-331,351.08-132,693.55

Finding the Fourth Proportional to 240,129.93, 331,351.08 and 132,693.55

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Solution

The fourth proportional to 240,129.93, 331,351.08 and 132,693.55 is: 183,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,129.93 : 331,351.08 = 132,693.55 : x
  2. Step 2: Convert to fraction form
    240,129.93/331,351.08 = 132,693.55/x
  3. Step 3: Cross multiply
    240,129.93x = 331,351.08 × 132,693.55
  4. Step 4: Simplify right side
    240,129.93x = 43,968,151,018.12
  5. Step 5: Solve for x
    x = 43,968,151,018.12/240,129.93
  6. Step 6: Final answer
    x = 183,101.51

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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.