Home / 127,681.72-176,036.06-104,625.80

Finding the Fourth Proportional to 127,681.72, 176,036.06 and 104,625.80

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Solution

The fourth proportional to 127,681.72, 176,036.06 and 104,625.80 is: 144,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.72 : 176,036.06 = 104,625.80 : x
  2. Step 2: Convert to fraction form
    127,681.72/176,036.06 = 104,625.80/x
  3. Step 3: Cross multiply
    127,681.72x = 176,036.06 × 104,625.80
  4. Step 4: Simplify right side
    127,681.72x = 18,417,913,606.35
  5. Step 5: Solve for x
    x = 18,417,913,606.35/127,681.72
  6. Step 6: Final answer
    x = 144,248.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.