Home / 149,608.65-224,225.87-74,749.76

Finding the Fourth Proportional to 149,608.65, 224,225.87 and 74,749.76

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Solution

The fourth proportional to 149,608.65, 224,225.87 and 74,749.76 is: 112,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,608.65 : 224,225.87 = 74,749.76 : x
  2. Step 2: Convert to fraction form
    149,608.65/224,225.87 = 74,749.76/x
  3. Step 3: Cross multiply
    149,608.65x = 224,225.87 × 74,749.76
  4. Step 4: Simplify right side
    149,608.65x = 16,760,828,473.41
  5. Step 5: Solve for x
    x = 16,760,828,473.41/149,608.65
  6. Step 6: Final answer
    x = 112,031.15

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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.