Home / 113,155.93-156,157.79-62,171.84

Finding the Fourth Proportional to 113,155.93, 156,157.79 and 62,171.84

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Solution

The fourth proportional to 113,155.93, 156,157.79 and 62,171.84 is: 85,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,155.93 : 156,157.79 = 62,171.84 : x
  2. Step 2: Convert to fraction form
    113,155.93/156,157.79 = 62,171.84/x
  3. Step 3: Cross multiply
    113,155.93x = 156,157.79 × 62,171.84
  4. Step 4: Simplify right side
    113,155.93x = 9,708,617,563.89
  5. Step 5: Solve for x
    x = 9,708,617,563.89/113,155.93
  6. Step 6: Final answer
    x = 85,798.57

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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.