Home / 154,834.56-213,592.89-101,151

Finding the Fourth Proportional to 154,834.56, 213,592.89 and 101,151

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Solution

The fourth proportional to 154,834.56, 213,592.89 and 101,151 is: 139,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,834.56 : 213,592.89 = 101,151 : x
  2. Step 2: Convert to fraction form
    154,834.56/213,592.89 = 101,151/x
  3. Step 3: Cross multiply
    154,834.56x = 213,592.89 × 101,151
  4. Step 4: Simplify right side
    154,834.56x = 21,605,134,416.39
  5. Step 5: Solve for x
    x = 21,605,134,416.39/154,834.56
  6. Step 6: Final answer
    x = 139,536.90

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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.