Home / 153,023.27-211,177.25-85,043.12

Finding the Fourth Proportional to 153,023.27, 211,177.25 and 85,043.12

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Solution

The fourth proportional to 153,023.27, 211,177.25 and 85,043.12 is: 117,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,023.27 : 211,177.25 = 85,043.12 : x
  2. Step 2: Convert to fraction form
    153,023.27/211,177.25 = 85,043.12/x
  3. Step 3: Cross multiply
    153,023.27x = 211,177.25 × 85,043.12
  4. Step 4: Simplify right side
    153,023.27x = 17,959,170,731.92
  5. Step 5: Solve for x
    x = 17,959,170,731.92/153,023.27
  6. Step 6: Final answer
    x = 117,362.35

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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.