Home / 124,247.10-186,370.65-84,881.10

Finding the Fourth Proportional to 124,247.10, 186,370.65 and 84,881.10

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Solution

The fourth proportional to 124,247.10, 186,370.65 and 84,881.10 is: 127,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,247.10 : 186,370.65 = 84,881.10 : x
  2. Step 2: Convert to fraction form
    124,247.10/186,370.65 = 84,881.10/x
  3. Step 3: Cross multiply
    124,247.10x = 186,370.65 × 84,881.10
  4. Step 4: Simplify right side
    124,247.10x = 15,819,345,779.72
  5. Step 5: Solve for x
    x = 15,819,345,779.72/124,247.10
  6. Step 6: Final answer
    x = 127,321.65

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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.