Home / 127,768.18-191,681.43-39,034.30

Finding the Fourth Proportional to 127,768.18, 191,681.43 and 39,034.30

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Solution

The fourth proportional to 127,768.18, 191,681.43 and 39,034.30 is: 58,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,768.18 : 191,681.43 = 39,034.30 : x
  2. Step 2: Convert to fraction form
    127,768.18/191,681.43 = 39,034.30/x
  3. Step 3: Cross multiply
    127,768.18x = 191,681.43 × 39,034.30
  4. Step 4: Simplify right side
    127,768.18x = 7,482,150,443.05
  5. Step 5: Solve for x
    x = 7,482,150,443.05/127,768.18
  6. Step 6: Final answer
    x = 58,560.36

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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.