Home / 153,589.22-211,954.10-85,610.50

Finding the Fourth Proportional to 153,589.22, 211,954.10 and 85,610.50

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Solution

The fourth proportional to 153,589.22, 211,954.10 and 85,610.50 is: 118,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,589.22 : 211,954.10 = 85,610.50 : x
  2. Step 2: Convert to fraction form
    153,589.22/211,954.10 = 85,610.50/x
  3. Step 3: Cross multiply
    153,589.22x = 211,954.10 × 85,610.50
  4. Step 4: Simplify right side
    153,589.22x = 18,145,496,162.19
  5. Step 5: Solve for x
    x = 18,145,496,162.19/153,589.22
  6. Step 6: Final answer
    x = 118,143.03

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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.