Home / 154,826.52-213,668.19-91,184.82

Finding the Fourth Proportional to 154,826.52, 213,668.19 and 91,184.82

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Solution

The fourth proportional to 154,826.52, 213,668.19 and 91,184.82 is: 125,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,826.52 : 213,668.19 = 91,184.82 : x
  2. Step 2: Convert to fraction form
    154,826.52/213,668.19 = 91,184.82/x
  3. Step 3: Cross multiply
    154,826.52x = 213,668.19 × 91,184.82
  4. Step 4: Simplify right side
    154,826.52x = 19,483,295,444.88
  5. Step 5: Solve for x
    x = 19,483,295,444.88/154,826.52
  6. Step 6: Final answer
    x = 125,839.52

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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.