Home / 183,790.10-253,618.74-103,215.55

Finding the Fourth Proportional to 183,790.10, 253,618.74 and 103,215.55

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Solution

The fourth proportional to 183,790.10, 253,618.74 and 103,215.55 is: 142,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,790.10 : 253,618.74 = 103,215.55 : x
  2. Step 2: Convert to fraction form
    183,790.10/253,618.74 = 103,215.55/x
  3. Step 3: Cross multiply
    183,790.10x = 253,618.74 × 103,215.55
  4. Step 4: Simplify right side
    183,790.10x = 26,177,397,739.41
  5. Step 5: Solve for x
    x = 26,177,397,739.41/183,790.10
  6. Step 6: Final answer
    x = 142,430.95

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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.