Home / 124,420.10-186,630.15-45,536.90

Finding the Fourth Proportional to 124,420.10, 186,630.15 and 45,536.90

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Solution

The fourth proportional to 124,420.10, 186,630.15 and 45,536.90 is: 68,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,420.10 : 186,630.15 = 45,536.90 : x
  2. Step 2: Convert to fraction form
    124,420.10/186,630.15 = 45,536.90/x
  3. Step 3: Cross multiply
    124,420.10x = 186,630.15 × 45,536.90
  4. Step 4: Simplify right side
    124,420.10x = 8,498,558,477.54
  5. Step 5: Solve for x
    x = 8,498,558,477.54/124,420.10
  6. Step 6: Final answer
    x = 68,305.35

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1.5x scale

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.