Home / 127,847.91-191,741.10-39,102.18

Finding the Fourth Proportional to 127,847.91, 191,741.10 and 39,102.18

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Solution

The fourth proportional to 127,847.91, 191,741.10 and 39,102.18 is: 58,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,847.91 : 191,741.10 = 39,102.18 : x
  2. Step 2: Convert to fraction form
    127,847.91/191,741.10 = 39,102.18/x
  3. Step 3: Cross multiply
    127,847.91x = 191,741.10 × 39,102.18
  4. Step 4: Simplify right side
    127,847.91x = 7,497,495,005.60
  5. Step 5: Solve for x
    x = 7,497,495,005.60/127,847.91
  6. Step 6: Final answer
    x = 58,643.86

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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.