Home / 191,269.15-286,780.70-91,427.13

Finding the Fourth Proportional to 191,269.15, 286,780.70 and 91,427.13

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Solution

The fourth proportional to 191,269.15, 286,780.70 and 91,427.13 is: 137,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,269.15 : 286,780.70 = 91,427.13 : x
  2. Step 2: Convert to fraction form
    191,269.15/286,780.70 = 91,427.13/x
  3. Step 3: Cross multiply
    191,269.15x = 286,780.70 × 91,427.13
  4. Step 4: Simplify right side
    191,269.15x = 26,219,536,568.96
  5. Step 5: Solve for x
    x = 26,219,536,568.96/191,269.15
  6. Step 6: Final answer
    x = 137,081.89

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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.