Home / 127,641.19-191,462.73-47,697.22

Finding the Fourth Proportional to 127,641.19, 191,462.73 and 47,697.22

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Solution

The fourth proportional to 127,641.19, 191,462.73 and 47,697.22 is: 71,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,641.19 : 191,462.73 = 47,697.22 : x
  2. Step 2: Convert to fraction form
    127,641.19/191,462.73 = 47,697.22/x
  3. Step 3: Cross multiply
    127,641.19x = 191,462.73 × 47,697.22
  4. Step 4: Simplify right side
    127,641.19x = 9,132,240,314.02
  5. Step 5: Solve for x
    x = 9,132,240,314.02/127,641.19
  6. Step 6: Final answer
    x = 71,546.19

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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.