Home / 153,514.53-211,846.86-85,531.23

Finding the Fourth Proportional to 153,514.53, 211,846.86 and 85,531.23

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Solution

The fourth proportional to 153,514.53, 211,846.86 and 85,531.23 is: 118,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,514.53 : 211,846.86 = 85,531.23 : x
  2. Step 2: Convert to fraction form
    153,514.53/211,846.86 = 85,531.23/x
  3. Step 3: Cross multiply
    153,514.53x = 211,846.86 × 85,531.23
  4. Step 4: Simplify right side
    153,514.53x = 18,119,522,507.44
  5. Step 5: Solve for x
    x = 18,119,522,507.44/153,514.53
  6. Step 6: Final answer
    x = 118,031.32

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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.