Home / 149,383.20-224,031.60-54,602.40

Finding the Fourth Proportional to 149,383.20, 224,031.60 and 54,602.40

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Solution

The fourth proportional to 149,383.20, 224,031.60 and 54,602.40 is: 81,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,383.20 : 224,031.60 = 54,602.40 : x
  2. Step 2: Convert to fraction form
    149,383.20/224,031.60 = 54,602.40/x
  3. Step 3: Cross multiply
    149,383.20x = 224,031.60 × 54,602.40
  4. Step 4: Simplify right side
    149,383.20x = 12,232,663,035.84
  5. Step 5: Solve for x
    x = 12,232,663,035.84/149,383.20
  6. Step 6: Final answer
    x = 81,887.81

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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.