Home / 185,644.98-256,190.28-100,762.02

Finding the Fourth Proportional to 185,644.98, 256,190.28 and 100,762.02

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Solution

The fourth proportional to 185,644.98, 256,190.28 and 100,762.02 is: 139,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,644.98 : 256,190.28 = 100,762.02 : x
  2. Step 2: Convert to fraction form
    185,644.98/256,190.28 = 100,762.02/x
  3. Step 3: Cross multiply
    185,644.98x = 256,190.28 × 100,762.02
  4. Step 4: Simplify right side
    185,644.98x = 25,814,250,117.17
  5. Step 5: Solve for x
    x = 25,814,250,117.17/185,644.98
  6. Step 6: Final answer
    x = 139,051.70

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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.