Home / 106,932.41-160,606.21-78,741.12

Finding the Fourth Proportional to 106,932.41, 160,606.21 and 78,741.12

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Solution

The fourth proportional to 106,932.41, 160,606.21 and 78,741.12 is: 118,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,932.41 : 160,606.21 = 78,741.12 : x
  2. Step 2: Convert to fraction form
    106,932.41/160,606.21 = 78,741.12/x
  3. Step 3: Cross multiply
    106,932.41x = 160,606.21 × 78,741.12
  4. Step 4: Simplify right side
    106,932.41x = 12,646,312,854.36
  5. Step 5: Solve for x
    x = 12,646,312,854.36/106,932.41
  6. Step 6: Final answer
    x = 118,264.55

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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.