Home / 153,057.48-211,216.59-85,073.24

Finding the Fourth Proportional to 153,057.48, 211,216.59 and 85,073.24

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Solution

The fourth proportional to 153,057.48, 211,216.59 and 85,073.24 is: 117,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,057.48 : 211,216.59 = 85,073.24 : x
  2. Step 2: Convert to fraction form
    153,057.48/211,216.59 = 85,073.24/x
  3. Step 3: Cross multiply
    153,057.48x = 211,216.59 × 85,073.24
  4. Step 4: Simplify right side
    153,057.48x = 17,968,878,596.97
  5. Step 5: Solve for x
    x = 17,968,878,596.97/153,057.48
  6. Step 6: Final answer
    x = 117,399.55

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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.