Home / 131,412.78-197,259.45-56,569.98

Finding the Fourth Proportional to 131,412.78, 197,259.45 and 56,569.98

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Solution

The fourth proportional to 131,412.78, 197,259.45 and 56,569.98 is: 84,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,412.78 : 197,259.45 = 56,569.98 : x
  2. Step 2: Convert to fraction form
    131,412.78/197,259.45 = 56,569.98/x
  3. Step 3: Cross multiply
    131,412.78x = 197,259.45 × 56,569.98
  4. Step 4: Simplify right side
    131,412.78x = 11,158,963,141.31
  5. Step 5: Solve for x
    x = 11,158,963,141.31/131,412.78
  6. Step 6: Final answer
    x = 84,915.36

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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.