Home / 127,410.50-191,108.19-38,664.74

Finding the Fourth Proportional to 127,410.50, 191,108.19 and 38,664.74

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Solution

The fourth proportional to 127,410.50, 191,108.19 and 38,664.74 is: 57,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,410.50 : 191,108.19 = 38,664.74 : x
  2. Step 2: Convert to fraction form
    127,410.50/191,108.19 = 38,664.74/x
  3. Step 3: Cross multiply
    127,410.50x = 191,108.19 × 38,664.74
  4. Step 4: Simplify right side
    127,410.50x = 7,389,148,478.22
  5. Step 5: Solve for x
    x = 7,389,148,478.22/127,410.50
  6. Step 6: Final answer
    x = 57,994.82

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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.