Home / 191,318.40-263,979.36-110,741.12

Finding the Fourth Proportional to 191,318.40, 263,979.36 and 110,741.12

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Solution

The fourth proportional to 191,318.40, 263,979.36 and 110,741.12 is: 152,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,318.40 : 263,979.36 = 110,741.12 : x
  2. Step 2: Convert to fraction form
    191,318.40/263,979.36 = 110,741.12/x
  3. Step 3: Cross multiply
    191,318.40x = 263,979.36 × 110,741.12
  4. Step 4: Simplify right side
    191,318.40x = 29,233,369,983.28
  5. Step 5: Solve for x
    x = 29,233,369,983.28/191,318.40
  6. Step 6: Final answer
    x = 152,799.57

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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.