Home / 185,113.90-255,266.25-158,345.02

Finding the Fourth Proportional to 185,113.90, 255,266.25 and 158,345.02

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Solution

The fourth proportional to 185,113.90, 255,266.25 and 158,345.02 is: 218,352.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,113.90 : 255,266.25 = 158,345.02 : x
  2. Step 2: Convert to fraction form
    185,113.90/255,266.25 = 158,345.02/x
  3. Step 3: Cross multiply
    185,113.90x = 255,266.25 × 158,345.02
  4. Step 4: Simplify right side
    185,113.90x = 40,420,139,461.58
  5. Step 5: Solve for x
    x = 40,420,139,461.58/185,113.90
  6. Step 6: Final answer
    x = 218,352.81

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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.