Home / 185,108.34-255,434.78-104,543.72

Finding the Fourth Proportional to 185,108.34, 255,434.78 and 104,543.72

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Solution

The fourth proportional to 185,108.34, 255,434.78 and 104,543.72 is: 144,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,108.34 : 255,434.78 = 104,543.72 : x
  2. Step 2: Convert to fraction form
    185,108.34/255,434.78 = 104,543.72/x
  3. Step 3: Cross multiply
    185,108.34x = 255,434.78 × 104,543.72
  4. Step 4: Simplify right side
    185,108.34x = 26,704,102,118.58
  5. Step 5: Solve for x
    x = 26,704,102,118.58/185,108.34
  6. Step 6: Final answer
    x = 144,262.01

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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.