Home / 127,424.40-191,114.20-48,543.36

Finding the Fourth Proportional to 127,424.40, 191,114.20 and 48,543.36

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Solution

The fourth proportional to 127,424.40, 191,114.20 and 48,543.36 is: 72,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,424.40 : 191,114.20 = 48,543.36 : x
  2. Step 2: Convert to fraction form
    127,424.40/191,114.20 = 48,543.36/x
  3. Step 3: Cross multiply
    127,424.40x = 191,114.20 × 48,543.36
  4. Step 4: Simplify right side
    127,424.40x = 9,277,325,411.71
  5. Step 5: Solve for x
    x = 9,277,325,411.71/127,424.40
  6. Step 6: Final answer
    x = 72,806.51

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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.