Home / 133,573.06-183,959.13-103,246.66

Finding the Fourth Proportional to 133,573.06, 183,959.13 and 103,246.66

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Solution

The fourth proportional to 133,573.06, 183,959.13 and 103,246.66 is: 142,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,573.06 : 183,959.13 = 103,246.66 : x
  2. Step 2: Convert to fraction form
    133,573.06/183,959.13 = 103,246.66/x
  3. Step 3: Cross multiply
    133,573.06x = 183,959.13 × 103,246.66
  4. Step 4: Simplify right side
    133,573.06x = 18,993,165,749.01
  5. Step 5: Solve for x
    x = 18,993,165,749.01/133,573.06
  6. Step 6: Final answer
    x = 142,193.09

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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.