Home / 127,854.18-191,790.99-39,114.36

Finding the Fourth Proportional to 127,854.18, 191,790.99 and 39,114.36

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Solution

The fourth proportional to 127,854.18, 191,790.99 and 39,114.36 is: 58,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,854.18 : 191,790.99 = 39,114.36 : x
  2. Step 2: Convert to fraction form
    127,854.18/191,790.99 = 39,114.36/x
  3. Step 3: Cross multiply
    127,854.18x = 191,790.99 × 39,114.36
  4. Step 4: Simplify right side
    127,854.18x = 7,501,781,827.62
  5. Step 5: Solve for x
    x = 7,501,781,827.62/127,854.18
  6. Step 6: Final answer
    x = 58,674.51

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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.