Home / 153,320.76-211,556.31-140,918.91

Finding the Fourth Proportional to 153,320.76, 211,556.31 and 140,918.91

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Solution

The fourth proportional to 153,320.76, 211,556.31 and 140,918.91 is: 194,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,320.76 : 211,556.31 = 140,918.91 : x
  2. Step 2: Convert to fraction form
    153,320.76/211,556.31 = 140,918.91/x
  3. Step 3: Cross multiply
    153,320.76x = 211,556.31 × 140,918.91
  4. Step 4: Simplify right side
    153,320.76x = 29,812,284,608.82
  5. Step 5: Solve for x
    x = 29,812,284,608.82/153,320.76
  6. Step 6: Final answer
    x = 194,443.89

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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.