Home / 101,017.14-151,569.48-54,215.34

Finding the Fourth Proportional to 101,017.14, 151,569.48 and 54,215.34

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Solution

The fourth proportional to 101,017.14, 151,569.48 and 54,215.34 is: 81,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,017.14 : 151,569.48 = 54,215.34 : x
  2. Step 2: Convert to fraction form
    101,017.14/151,569.48 = 54,215.34/x
  3. Step 3: Cross multiply
    101,017.14x = 151,569.48 × 54,215.34
  4. Step 4: Simplify right side
    101,017.14x = 8,217,390,891.82
  5. Step 5: Solve for x
    x = 8,217,390,891.82/101,017.14
  6. Step 6: Final answer
    x = 81,346.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.