Home / 124,860.02-187,285.04-68,811.26

Finding the Fourth Proportional to 124,860.02, 187,285.04 and 68,811.26

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Solution

The fourth proportional to 124,860.02, 187,285.04 and 68,811.26 is: 103,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,860.02 : 187,285.04 = 68,811.26 : x
  2. Step 2: Convert to fraction form
    124,860.02/187,285.04 = 68,811.26/x
  3. Step 3: Cross multiply
    124,860.02x = 187,285.04 × 68,811.26
  4. Step 4: Simplify right side
    124,860.02x = 12,887,319,581.55
  5. Step 5: Solve for x
    x = 12,887,319,581.55/124,860.02
  6. Step 6: Final answer
    x = 103,214.14

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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.