Home / 127,551.90-191,331-60,999.06

Finding the Fourth Proportional to 127,551.90, 191,331 and 60,999.06

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Solution

The fourth proportional to 127,551.90, 191,331 and 60,999.06 is: 91,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,551.90 : 191,331 = 60,999.06 : x
  2. Step 2: Convert to fraction form
    127,551.90/191,331 = 60,999.06/x
  3. Step 3: Cross multiply
    127,551.90x = 191,331 × 60,999.06
  4. Step 4: Simplify right side
    127,551.90x = 11,671,011,148.86
  5. Step 5: Solve for x
    x = 11,671,011,148.86/127,551.90
  6. Step 6: Final answer
    x = 91,500.10

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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.