Home / 191,564.57-264,340.19-106,689.53

Finding the Fourth Proportional to 191,564.57, 264,340.19 and 106,689.53

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Solution

The fourth proportional to 191,564.57, 264,340.19 and 106,689.53 is: 147,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,564.57 : 264,340.19 = 106,689.53 : x
  2. Step 2: Convert to fraction form
    191,564.57/264,340.19 = 106,689.53/x
  3. Step 3: Cross multiply
    191,564.57x = 264,340.19 × 106,689.53
  4. Step 4: Simplify right side
    191,564.57x = 28,202,330,097.76
  5. Step 5: Solve for x
    x = 28,202,330,097.76/191,564.57
  6. Step 6: Final answer
    x = 147,221.01

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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.