Home / 113,205.89-156,213.95-62,218.05

Finding the Fourth Proportional to 113,205.89, 156,213.95 and 62,218.05

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Solution

The fourth proportional to 113,205.89, 156,213.95 and 62,218.05 is: 85,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,205.89 : 156,213.95 = 62,218.05 : x
  2. Step 2: Convert to fraction form
    113,205.89/156,213.95 = 62,218.05/x
  3. Step 3: Cross multiply
    113,205.89x = 156,213.95 × 62,218.05
  4. Step 4: Simplify right side
    113,205.89x = 9,719,327,040.71
  5. Step 5: Solve for x
    x = 9,719,327,040.71/113,205.89
  6. Step 6: Final answer
    x = 85,855.32

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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.