Home / 153,536.99-211,878.90-85,556.83

Finding the Fourth Proportional to 153,536.99, 211,878.90 and 85,556.83

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Solution

The fourth proportional to 153,536.99, 211,878.90 and 85,556.83 is: 118,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,536.99 : 211,878.90 = 85,556.83 : x
  2. Step 2: Convert to fraction form
    153,536.99/211,878.90 = 85,556.83/x
  3. Step 3: Cross multiply
    153,536.99x = 211,878.90 × 85,556.83
  4. Step 4: Simplify right side
    153,536.99x = 18,127,687,250.74
  5. Step 5: Solve for x
    x = 18,127,687,250.74/153,536.99
  6. Step 6: Final answer
    x = 118,067.23

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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.