Home / 124,207.89-186,339.50-45,322.12

Finding the Fourth Proportional to 124,207.89, 186,339.50 and 45,322.12

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Solution

The fourth proportional to 124,207.89, 186,339.50 and 45,322.12 is: 67,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,207.89 : 186,339.50 = 45,322.12 : x
  2. Step 2: Convert to fraction form
    124,207.89/186,339.50 = 45,322.12/x
  3. Step 3: Cross multiply
    124,207.89x = 186,339.50 × 45,322.12
  4. Step 4: Simplify right side
    124,207.89x = 8,445,301,179.74
  5. Step 5: Solve for x
    x = 8,445,301,179.74/124,207.89
  6. Step 6: Final answer
    x = 67,993.27

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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.