Home / 154,797.23-213,622.34-93,534.91

Finding the Fourth Proportional to 154,797.23, 213,622.34 and 93,534.91

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Solution

The fourth proportional to 154,797.23, 213,622.34 and 93,534.91 is: 129,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,797.23 : 213,622.34 = 93,534.91 : x
  2. Step 2: Convert to fraction form
    154,797.23/213,622.34 = 93,534.91/x
  3. Step 3: Cross multiply
    154,797.23x = 213,622.34 × 93,534.91
  4. Step 4: Simplify right side
    154,797.23x = 19,981,145,344.16
  5. Step 5: Solve for x
    x = 19,981,145,344.16/154,797.23
  6. Step 6: Final answer
    x = 129,079.47

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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.