Home / 185,159.16-255,272.67-139,023.54

Finding the Fourth Proportional to 185,159.16, 255,272.67 and 139,023.54

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Solution

The fourth proportional to 185,159.16, 255,272.67 and 139,023.54 is: 191,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,159.16 : 255,272.67 = 139,023.54 : x
  2. Step 2: Convert to fraction form
    185,159.16/255,272.67 = 139,023.54/x
  3. Step 3: Cross multiply
    185,159.16x = 255,272.67 × 139,023.54
  4. Step 4: Simplify right side
    185,159.16x = 35,488,910,248.65
  5. Step 5: Solve for x
    x = 35,488,910,248.65/185,159.16
  6. Step 6: Final answer
    x = 191,667.05

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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.