Home / 156,870.96-235,334.67-57,171.09

Finding the Fourth Proportional to 156,870.96, 235,334.67 and 57,171.09

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Solution

The fourth proportional to 156,870.96, 235,334.67 and 57,171.09 is: 85,766.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,870.96 : 235,334.67 = 57,171.09 : x
  2. Step 2: Convert to fraction form
    156,870.96/235,334.67 = 57,171.09/x
  3. Step 3: Cross multiply
    156,870.96x = 235,334.67 × 57,171.09
  4. Step 4: Simplify right side
    156,870.96x = 13,454,339,598.69
  5. Step 5: Solve for x
    x = 13,454,339,598.69/156,870.96
  6. Step 6: Final answer
    x = 85,766.92

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1.5x scale

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.