Home / 137,877.48-206,807.98-49,126.28

Finding the Fourth Proportional to 137,877.48, 206,807.98 and 49,126.28

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Solution

The fourth proportional to 137,877.48, 206,807.98 and 49,126.28 is: 73,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,877.48 : 206,807.98 = 49,126.28 : x
  2. Step 2: Convert to fraction form
    137,877.48/206,807.98 = 49,126.28/x
  3. Step 3: Cross multiply
    137,877.48x = 206,807.98 × 49,126.28
  4. Step 4: Simplify right side
    137,877.48x = 10,159,706,731.71
  5. Step 5: Solve for x
    x = 10,159,706,731.71/137,877.48
  6. Step 6: Final answer
    x = 73,686.48

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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.