Home / 124,917.57-187,374.69-30,146.97

Finding the Fourth Proportional to 124,917.57, 187,374.69 and 30,146.97

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Solution

The fourth proportional to 124,917.57, 187,374.69 and 30,146.97 is: 45,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,917.57 : 187,374.69 = 30,146.97 : x
  2. Step 2: Convert to fraction form
    124,917.57/187,374.69 = 30,146.97/x
  3. Step 3: Cross multiply
    124,917.57x = 187,374.69 × 30,146.97
  4. Step 4: Simplify right side
    124,917.57x = 5,648,779,158.19
  5. Step 5: Solve for x
    x = 5,648,779,158.19/124,917.57
  6. Step 6: Final answer
    x = 45,220.05

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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.