Home / 142,233.60-213,353.64-48,738

Finding the Fourth Proportional to 142,233.60, 213,353.64 and 48,738

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Solution

The fourth proportional to 142,233.60, 213,353.64 and 48,738 is: 73,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,233.60 : 213,353.64 = 48,738 : x
  2. Step 2: Convert to fraction form
    142,233.60/213,353.64 = 48,738/x
  3. Step 3: Cross multiply
    142,233.60x = 213,353.64 × 48,738
  4. Step 4: Simplify right side
    142,233.60x = 10,398,429,706.32
  5. Step 5: Solve for x
    x = 10,398,429,706.32/142,233.60
  6. Step 6: Final answer
    x = 73,108.11

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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.