Home / 191,541.80-287,489.73-96,838.58

Finding the Fourth Proportional to 191,541.80, 287,489.73 and 96,838.58

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Solution

The fourth proportional to 191,541.80, 287,489.73 and 96,838.58 is: 145,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,541.80 : 287,489.73 = 96,838.58 : x
  2. Step 2: Convert to fraction form
    191,541.80/287,489.73 = 96,838.58/x
  3. Step 3: Cross multiply
    191,541.80x = 287,489.73 × 96,838.58
  4. Step 4: Simplify right side
    191,541.80x = 27,840,097,217.78
  5. Step 5: Solve for x
    x = 27,840,097,217.78/191,541.80
  6. Step 6: Final answer
    x = 145,347.37

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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.