Home / 153,325.80-211,589.62-85,341.32

Finding the Fourth Proportional to 153,325.80, 211,589.62 and 85,341.32

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Solution

The fourth proportional to 153,325.80, 211,589.62 and 85,341.32 is: 117,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,325.80 : 211,589.62 = 85,341.32 : x
  2. Step 2: Convert to fraction form
    153,325.80/211,589.62 = 85,341.32/x
  3. Step 3: Cross multiply
    153,325.80x = 211,589.62 × 85,341.32
  4. Step 4: Simplify right side
    153,325.80x = 18,057,337,311.29
  5. Step 5: Solve for x
    x = 18,057,337,311.29/153,325.80
  6. Step 6: Final answer
    x = 117,771.03

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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.