Home / 185,122.17-277,496.31-72,881.17

Finding the Fourth Proportional to 185,122.17, 277,496.31 and 72,881.17

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Solution

The fourth proportional to 185,122.17, 277,496.31 and 72,881.17 is: 109,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,122.17 : 277,496.31 = 72,881.17 : x
  2. Step 2: Convert to fraction form
    185,122.17/277,496.31 = 72,881.17/x
  3. Step 3: Cross multiply
    185,122.17x = 277,496.31 × 72,881.17
  4. Step 4: Simplify right side
    185,122.17x = 20,224,255,743.48
  5. Step 5: Solve for x
    x = 20,224,255,743.48/185,122.17
  6. Step 6: Final answer
    x = 109,248.16

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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.