Home / 127,355.76-191,091.08-52,527.56

Finding the Fourth Proportional to 127,355.76, 191,091.08 and 52,527.56

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Solution

The fourth proportional to 127,355.76, 191,091.08 and 52,527.56 is: 78,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,355.76 : 191,091.08 = 52,527.56 : x
  2. Step 2: Convert to fraction form
    127,355.76/191,091.08 = 52,527.56/x
  3. Step 3: Cross multiply
    127,355.76x = 191,091.08 × 52,527.56
  4. Step 4: Simplify right side
    127,355.76x = 10,037,547,346.03
  5. Step 5: Solve for x
    x = 10,037,547,346.03/127,355.76
  6. Step 6: Final answer
    x = 78,815.02

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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.