Home / 153,151.24-211,367.70-86,083.24

Finding the Fourth Proportional to 153,151.24, 211,367.70 and 86,083.24

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Solution

The fourth proportional to 153,151.24, 211,367.70 and 86,083.24 is: 118,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,151.24 : 211,367.70 = 86,083.24 : x
  2. Step 2: Convert to fraction form
    153,151.24/211,367.70 = 86,083.24/x
  3. Step 3: Cross multiply
    153,151.24x = 211,367.70 × 86,083.24
  4. Step 4: Simplify right side
    153,151.24x = 18,195,216,447.35
  5. Step 5: Solve for x
    x = 18,195,216,447.35/153,151.24
  6. Step 6: Final answer
    x = 118,805.54

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1.5x scale

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.