Home / 185,419.65-278,113.28-60,760.65

Finding the Fourth Proportional to 185,419.65, 278,113.28 and 60,760.65

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Solution

The fourth proportional to 185,419.65, 278,113.28 and 60,760.65 is: 91,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,419.65 : 278,113.28 = 60,760.65 : x
  2. Step 2: Convert to fraction form
    185,419.65/278,113.28 = 60,760.65/x
  3. Step 3: Cross multiply
    185,419.65x = 278,113.28 × 60,760.65
  4. Step 4: Simplify right side
    185,419.65x = 16,898,343,362.63
  5. Step 5: Solve for x
    x = 16,898,343,362.63/185,419.65
  6. Step 6: Final answer
    x = 91,135.67

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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.