Home / 153,236.78-211,468.68-84,334.17

Finding the Fourth Proportional to 153,236.78, 211,468.68 and 84,334.17

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Solution

The fourth proportional to 153,236.78, 211,468.68 and 84,334.17 is: 116,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,236.78 : 211,468.68 = 84,334.17 : x
  2. Step 2: Convert to fraction form
    153,236.78/211,468.68 = 84,334.17/x
  3. Step 3: Cross multiply
    153,236.78x = 211,468.68 × 84,334.17
  4. Step 4: Simplify right side
    153,236.78x = 17,834,035,608.80
  5. Step 5: Solve for x
    x = 17,834,035,608.80/153,236.78
  6. Step 6: Final answer
    x = 116,382.22

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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.