Home / 153,149.24-211,364.94-86,081.24

Finding the Fourth Proportional to 153,149.24, 211,364.94 and 86,081.24

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Solution

The fourth proportional to 153,149.24, 211,364.94 and 86,081.24 is: 118,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,149.24 : 211,364.94 = 86,081.24 : x
  2. Step 2: Convert to fraction form
    153,149.24/211,364.94 = 86,081.24/x
  3. Step 3: Cross multiply
    153,149.24x = 211,364.94 × 86,081.24
  4. Step 4: Simplify right side
    153,149.24x = 18,194,556,127.73
  5. Step 5: Solve for x
    x = 18,194,556,127.73/153,149.24
  6. Step 6: Final answer
    x = 118,802.78

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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.