Home / 183,789.60-253,618.05-103,215.05

Finding the Fourth Proportional to 183,789.60, 253,618.05 and 103,215.05

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Solution

The fourth proportional to 183,789.60, 253,618.05 and 103,215.05 is: 142,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,789.60 : 253,618.05 = 103,215.05 : x
  2. Step 2: Convert to fraction form
    183,789.60/253,618.05 = 103,215.05/x
  3. Step 3: Cross multiply
    183,789.60x = 253,618.05 × 103,215.05
  4. Step 4: Simplify right side
    183,789.60x = 26,177,199,711.65
  5. Step 5: Solve for x
    x = 26,177,199,711.65/183,789.60
  6. Step 6: Final answer
    x = 142,430.26

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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.