Home / 153,146.10-211,346.16-92,727.78

Finding the Fourth Proportional to 153,146.10, 211,346.16 and 92,727.78

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Solution

The fourth proportional to 153,146.10, 211,346.16 and 92,727.78 is: 127,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,146.10 : 211,346.16 = 92,727.78 : x
  2. Step 2: Convert to fraction form
    153,146.10/211,346.16 = 92,727.78/x
  3. Step 3: Cross multiply
    153,146.10x = 211,346.16 × 92,727.78
  4. Step 4: Simplify right side
    153,146.10x = 19,597,660,228.32
  5. Step 5: Solve for x
    x = 19,597,660,228.32/153,146.10
  6. Step 6: Final answer
    x = 127,967.09

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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.