Home / 149,719.30-224,688.30-105,432.55

Finding the Fourth Proportional to 149,719.30, 224,688.30 and 105,432.55

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Solution

The fourth proportional to 149,719.30, 224,688.30 and 105,432.55 is: 158,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,719.30 : 224,688.30 = 105,432.55 : x
  2. Step 2: Convert to fraction form
    149,719.30/224,688.30 = 105,432.55/x
  3. Step 3: Cross multiply
    149,719.30x = 224,688.30 × 105,432.55
  4. Step 4: Simplify right side
    149,719.30x = 23,689,460,424.17
  5. Step 5: Solve for x
    x = 23,689,460,424.17/149,719.30
  6. Step 6: Final answer
    x = 158,225.83

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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.