Home / 153,099.24-211,251.42-85,114.32

Finding the Fourth Proportional to 153,099.24, 211,251.42 and 85,114.32

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Solution

The fourth proportional to 153,099.24, 211,251.42 and 85,114.32 is: 117,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,099.24 : 211,251.42 = 85,114.32 : x
  2. Step 2: Convert to fraction form
    153,099.24/211,251.42 = 85,114.32/x
  3. Step 3: Cross multiply
    153,099.24x = 211,251.42 × 85,114.32
  4. Step 4: Simplify right side
    153,099.24x = 17,980,520,962.33
  5. Step 5: Solve for x
    x = 17,980,520,962.33/153,099.24
  6. Step 6: Final answer
    x = 117,443.57

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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.