Home / 113,343.84-156,411.36-63,043.20

Finding the Fourth Proportional to 113,343.84, 156,411.36 and 63,043.20

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Solution

The fourth proportional to 113,343.84, 156,411.36 and 63,043.20 is: 86,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,343.84 : 156,411.36 = 63,043.20 : x
  2. Step 2: Convert to fraction form
    113,343.84/156,411.36 = 63,043.20/x
  3. Step 3: Cross multiply
    113,343.84x = 156,411.36 × 63,043.20
  4. Step 4: Simplify right side
    113,343.84x = 9,860,672,650.75
  5. Step 5: Solve for x
    x = 9,860,672,650.75/113,343.84
  6. Step 6: Final answer
    x = 86,997.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.