Home / 191,815.21-287,462.44-101,835.19

Finding the Fourth Proportional to 191,815.21, 287,462.44 and 101,835.19

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Solution

The fourth proportional to 191,815.21, 287,462.44 and 101,835.19 is: 152,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,815.21 : 287,462.44 = 101,835.19 : x
  2. Step 2: Convert to fraction form
    191,815.21/287,462.44 = 101,835.19/x
  3. Step 3: Cross multiply
    191,815.21x = 287,462.44 × 101,835.19
  4. Step 4: Simplify right side
    191,815.21x = 29,273,792,195.26
  5. Step 5: Solve for x
    x = 29,273,792,195.26/191,815.21
  6. Step 6: Final answer
    x = 152,614.55

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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.