Home / 151,922.74-209,635.52-83,935.66

Finding the Fourth Proportional to 151,922.74, 209,635.52 and 83,935.66

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Solution

The fourth proportional to 151,922.74, 209,635.52 and 83,935.66 is: 115,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,922.74 : 209,635.52 = 83,935.66 : x
  2. Step 2: Convert to fraction form
    151,922.74/209,635.52 = 83,935.66/x
  3. Step 3: Cross multiply
    151,922.74x = 209,635.52 × 83,935.66
  4. Step 4: Simplify right side
    151,922.74x = 17,595,895,730.64
  5. Step 5: Solve for x
    x = 17,595,895,730.64/151,922.74
  6. Step 6: Final answer
    x = 115,821.34

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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.