Home / 191,286.06-263,970.45-130,854.45

Finding the Fourth Proportional to 191,286.06, 263,970.45 and 130,854.45

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Solution

The fourth proportional to 191,286.06, 263,970.45 and 130,854.45 is: 180,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,286.06 : 263,970.45 = 130,854.45 : x
  2. Step 2: Convert to fraction form
    191,286.06/263,970.45 = 130,854.45/x
  3. Step 3: Cross multiply
    191,286.06x = 263,970.45 × 130,854.45
  4. Step 4: Simplify right side
    191,286.06x = 34,541,708,051.00
  5. Step 5: Solve for x
    x = 34,541,708,051.00/191,286.06
  6. Step 6: Final answer
    x = 180,576.19

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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.