Home / 192,064.16-287,953.56-92,129.19

Finding the Fourth Proportional to 192,064.16, 287,953.56 and 92,129.19

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Solution

The fourth proportional to 192,064.16, 287,953.56 and 92,129.19 is: 138,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,064.16 : 287,953.56 = 92,129.19 : x
  2. Step 2: Convert to fraction form
    192,064.16/287,953.56 = 92,129.19/x
  3. Step 3: Cross multiply
    192,064.16x = 287,953.56 × 92,129.19
  4. Step 4: Simplify right side
    192,064.16x = 26,528,928,240.42
  5. Step 5: Solve for x
    x = 26,528,928,240.42/192,064.16
  6. Step 6: Final answer
    x = 138,125.35

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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.