Home / 147,774.75-203,930.45-84,116.64

Finding the Fourth Proportional to 147,774.75, 203,930.45 and 84,116.64

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Solution

The fourth proportional to 147,774.75, 203,930.45 and 84,116.64 is: 116,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,774.75 : 203,930.45 = 84,116.64 : x
  2. Step 2: Convert to fraction form
    147,774.75/203,930.45 = 84,116.64/x
  3. Step 3: Cross multiply
    147,774.75x = 203,930.45 × 84,116.64
  4. Step 4: Simplify right side
    147,774.75x = 17,153,944,247.69
  5. Step 5: Solve for x
    x = 17,153,944,247.69/147,774.75
  6. Step 6: Final answer
    x = 116,081.70

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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.