Home / 240,432.18-360,681.09-100,158

Finding the Fourth Proportional to 240,432.18, 360,681.09 and 100,158

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Solution

The fourth proportional to 240,432.18, 360,681.09 and 100,158 is: 150,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,432.18 : 360,681.09 = 100,158 : x
  2. Step 2: Convert to fraction form
    240,432.18/360,681.09 = 100,158/x
  3. Step 3: Cross multiply
    240,432.18x = 360,681.09 × 100,158
  4. Step 4: Simplify right side
    240,432.18x = 36,125,096,612.22
  5. Step 5: Solve for x
    x = 36,125,096,612.22/240,432.18
  6. Step 6: Final answer
    x = 150,250.67

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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.