Home / 127,610.42-191,204.98-74,152.32

Finding the Fourth Proportional to 127,610.42, 191,204.98 and 74,152.32

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Solution

The fourth proportional to 127,610.42, 191,204.98 and 74,152.32 is: 111,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,610.42 : 191,204.98 = 74,152.32 : x
  2. Step 2: Convert to fraction form
    127,610.42/191,204.98 = 74,152.32/x
  3. Step 3: Cross multiply
    127,610.42x = 191,204.98 × 74,152.32
  4. Step 4: Simplify right side
    127,610.42x = 14,178,292,862.55
  5. Step 5: Solve for x
    x = 14,178,292,862.55/127,610.42
  6. Step 6: Final answer
    x = 111,106.07

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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.