Home / 124,280.10-186,420.15-114,657.30

Finding the Fourth Proportional to 124,280.10, 186,420.15 and 114,657.30

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Solution

The fourth proportional to 124,280.10, 186,420.15 and 114,657.30 is: 171,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,280.10 : 186,420.15 = 114,657.30 : x
  2. Step 2: Convert to fraction form
    124,280.10/186,420.15 = 114,657.30/x
  3. Step 3: Cross multiply
    124,280.10x = 186,420.15 × 114,657.30
  4. Step 4: Simplify right side
    124,280.10x = 21,374,431,064.60
  5. Step 5: Solve for x
    x = 21,374,431,064.60/124,280.10
  6. Step 6: Final answer
    x = 171,985.95

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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.