Home / 131,545.15-197,284.88-51,599.36

Finding the Fourth Proportional to 131,545.15, 197,284.88 and 51,599.36

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Solution

The fourth proportional to 131,545.15, 197,284.88 and 51,599.36 is: 77,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,545.15 : 197,284.88 = 51,599.36 : x
  2. Step 2: Convert to fraction form
    131,545.15/197,284.88 = 51,599.36/x
  3. Step 3: Cross multiply
    131,545.15x = 197,284.88 × 51,599.36
  4. Step 4: Simplify right side
    131,545.15x = 10,179,774,167.89
  5. Step 5: Solve for x
    x = 10,179,774,167.89/131,545.15
  6. Step 6: Final answer
    x = 77,386.16

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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.