Home / 124,207.52-186,366.65-45,303.30

Finding the Fourth Proportional to 124,207.52, 186,366.65 and 45,303.30

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Solution

The fourth proportional to 124,207.52, 186,366.65 and 45,303.30 is: 67,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,207.52 : 186,366.65 = 45,303.30 : x
  2. Step 2: Convert to fraction form
    124,207.52/186,366.65 = 45,303.30/x
  3. Step 3: Cross multiply
    124,207.52x = 186,366.65 × 45,303.30
  4. Step 4: Simplify right side
    124,207.52x = 8,443,024,254.95
  5. Step 5: Solve for x
    x = 8,443,024,254.95/124,207.52
  6. Step 6: Final answer
    x = 67,975.15

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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.