Home / 191,122.40-263,733.21-112,527.87

Finding the Fourth Proportional to 191,122.40, 263,733.21 and 112,527.87

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Solution

The fourth proportional to 191,122.40, 263,733.21 and 112,527.87 is: 155,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,122.40 : 263,733.21 = 112,527.87 : x
  2. Step 2: Convert to fraction form
    191,122.40/263,733.21 = 112,527.87/x
  3. Step 3: Cross multiply
    191,122.40x = 263,733.21 × 112,527.87
  4. Step 4: Simplify right side
    191,122.40x = 29,677,335,802.54
  5. Step 5: Solve for x
    x = 29,677,335,802.54/191,122.40
  6. Step 6: Final answer
    x = 155,279.22

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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.