Home / 124,867.20-187,300.80-49,998.90

Finding the Fourth Proportional to 124,867.20, 187,300.80 and 49,998.90

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Solution

The fourth proportional to 124,867.20, 187,300.80 and 49,998.90 is: 74,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,867.20 : 187,300.80 = 49,998.90 : x
  2. Step 2: Convert to fraction form
    124,867.20/187,300.80 = 49,998.90/x
  3. Step 3: Cross multiply
    124,867.20x = 187,300.80 × 49,998.90
  4. Step 4: Simplify right side
    124,867.20x = 9,364,833,969.12
  5. Step 5: Solve for x
    x = 9,364,833,969.12/124,867.20
  6. Step 6: Final answer
    x = 74,998.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.