Home / 127,962.30-191,943.45-61,391.10

Finding the Fourth Proportional to 127,962.30, 191,943.45 and 61,391.10

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Solution

The fourth proportional to 127,962.30, 191,943.45 and 61,391.10 is: 92,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,962.30 : 191,943.45 = 61,391.10 : x
  2. Step 2: Convert to fraction form
    127,962.30/191,943.45 = 61,391.10/x
  3. Step 3: Cross multiply
    127,962.30x = 191,943.45 × 61,391.10
  4. Step 4: Simplify right side
    127,962.30x = 11,783,619,533.30
  5. Step 5: Solve for x
    x = 11,783,619,533.30/127,962.30
  6. Step 6: Final answer
    x = 92,086.65

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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.