Home / 185,264.10-255,664.62-100,381.16

Finding the Fourth Proportional to 185,264.10, 255,664.62 and 100,381.16

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Solution

The fourth proportional to 185,264.10, 255,664.62 and 100,381.16 is: 138,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,264.10 : 255,664.62 = 100,381.16 : x
  2. Step 2: Convert to fraction form
    185,264.10/255,664.62 = 100,381.16/x
  3. Step 3: Cross multiply
    185,264.10x = 255,664.62 × 100,381.16
  4. Step 4: Simplify right side
    185,264.10x = 25,663,909,848.24
  5. Step 5: Solve for x
    x = 25,663,909,848.24/185,264.10
  6. Step 6: Final answer
    x = 138,526.08

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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.