Home / 153,020.20-211,133.28-92,589.34

Finding the Fourth Proportional to 153,020.20, 211,133.28 and 92,589.34

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Solution

The fourth proportional to 153,020.20, 211,133.28 and 92,589.34 is: 127,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,020.20 : 211,133.28 = 92,589.34 : x
  2. Step 2: Convert to fraction form
    153,020.20/211,133.28 = 92,589.34/x
  3. Step 3: Cross multiply
    153,020.20x = 211,133.28 × 92,589.34
  4. Step 4: Simplify right side
    153,020.20x = 19,548,691,047.24
  5. Step 5: Solve for x
    x = 19,548,691,047.24/153,020.20
  6. Step 6: Final answer
    x = 127,752.36

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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.