Home / 124,445.49-186,652.34-40,196.90

Finding the Fourth Proportional to 124,445.49, 186,652.34 and 40,196.90

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Solution

The fourth proportional to 124,445.49, 186,652.34 and 40,196.90 is: 60,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,445.49 : 186,652.34 = 40,196.90 : x
  2. Step 2: Convert to fraction form
    124,445.49/186,652.34 = 40,196.90/x
  3. Step 3: Cross multiply
    124,445.49x = 186,652.34 × 40,196.90
  4. Step 4: Simplify right side
    124,445.49x = 7,502,844,311.50
  5. Step 5: Solve for x
    x = 7,502,844,311.50/124,445.49
  6. Step 6: Final answer
    x = 60,290.21

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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.