Home / 113,838.08-170,741.01-71,589.32

Finding the Fourth Proportional to 113,838.08, 170,741.01 and 71,589.32

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Solution

The fourth proportional to 113,838.08, 170,741.01 and 71,589.32 is: 107,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,838.08 : 170,741.01 = 71,589.32 : x
  2. Step 2: Convert to fraction form
    113,838.08/170,741.01 = 71,589.32/x
  3. Step 3: Cross multiply
    113,838.08x = 170,741.01 × 71,589.32
  4. Step 4: Simplify right side
    113,838.08x = 12,223,232,857.05
  5. Step 5: Solve for x
    x = 12,223,232,857.05/113,838.08
  6. Step 6: Final answer
    x = 107,373.85

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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.