Home / 106,314.55-159,307.80-92,208.40

Finding the Fourth Proportional to 106,314.55, 159,307.80 and 92,208.40

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Solution

The fourth proportional to 106,314.55, 159,307.80 and 92,208.40 is: 138,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,314.55 : 159,307.80 = 92,208.40 : x
  2. Step 2: Convert to fraction form
    106,314.55/159,307.80 = 92,208.40/x
  3. Step 3: Cross multiply
    106,314.55x = 159,307.80 × 92,208.40
  4. Step 4: Simplify right side
    106,314.55x = 14,689,517,345.52
  5. Step 5: Solve for x
    x = 14,689,517,345.52/106,314.55
  6. Step 6: Final answer
    x = 138,170.34

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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.