Home / 124,520.24-186,775.68-68,386.52

Finding the Fourth Proportional to 124,520.24, 186,775.68 and 68,386.52

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Solution

The fourth proportional to 124,520.24, 186,775.68 and 68,386.52 is: 102,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,520.24 : 186,775.68 = 68,386.52 : x
  2. Step 2: Convert to fraction form
    124,520.24/186,775.68 = 68,386.52/x
  3. Step 3: Cross multiply
    124,520.24x = 186,775.68 × 68,386.52
  4. Step 4: Simplify right side
    124,520.24x = 12,772,938,775.83
  5. Step 5: Solve for x
    x = 12,772,938,775.83/124,520.24
  6. Step 6: Final answer
    x = 102,577.21

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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.