Home / 127,630.13-191,454.06-43,355.93

Finding the Fourth Proportional to 127,630.13, 191,454.06 and 43,355.93

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Solution

The fourth proportional to 127,630.13, 191,454.06 and 43,355.93 is: 65,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,630.13 : 191,454.06 = 43,355.93 : x
  2. Step 2: Convert to fraction form
    127,630.13/191,454.06 = 43,355.93/x
  3. Step 3: Cross multiply
    127,630.13x = 191,454.06 × 43,355.93
  4. Step 4: Simplify right side
    127,630.13x = 8,300,668,823.58
  5. Step 5: Solve for x
    x = 8,300,668,823.58/127,630.13
  6. Step 6: Final answer
    x = 65,036.91

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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.