Home / 191,119.64-286,055.66-140,505.26

Finding the Fourth Proportional to 191,119.64, 286,055.66 and 140,505.26

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Solution

The fourth proportional to 191,119.64, 286,055.66 and 140,505.26 is: 210,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,119.64 : 286,055.66 = 140,505.26 : x
  2. Step 2: Convert to fraction form
    191,119.64/286,055.66 = 140,505.26/x
  3. Step 3: Cross multiply
    191,119.64x = 286,055.66 × 140,505.26
  4. Step 4: Simplify right side
    191,119.64x = 40,192,324,882.77
  5. Step 5: Solve for x
    x = 40,192,324,882.77/191,119.64
  6. Step 6: Final answer
    x = 210,299.30

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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.