Home / 124,151.72-186,114.62-45,247.96

Finding the Fourth Proportional to 124,151.72, 186,114.62 and 45,247.96

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Solution

The fourth proportional to 124,151.72, 186,114.62 and 45,247.96 is: 67,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,151.72 : 186,114.62 = 45,247.96 : x
  2. Step 2: Convert to fraction form
    124,151.72/186,114.62 = 45,247.96/x
  3. Step 3: Cross multiply
    124,151.72x = 186,114.62 × 45,247.96
  4. Step 4: Simplify right side
    124,151.72x = 8,421,306,881.18
  5. Step 5: Solve for x
    x = 8,421,306,881.18/124,151.72
  6. Step 6: Final answer
    x = 67,830.77

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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.