Home / 143,307.28-197,966.40-114,816.14

Finding the Fourth Proportional to 143,307.28, 197,966.40 and 114,816.14

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Solution

The fourth proportional to 143,307.28, 197,966.40 and 114,816.14 is: 158,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,307.28 : 197,966.40 = 114,816.14 : x
  2. Step 2: Convert to fraction form
    143,307.28/197,966.40 = 114,816.14/x
  3. Step 3: Cross multiply
    143,307.28x = 197,966.40 × 114,816.14
  4. Step 4: Simplify right side
    143,307.28x = 22,729,737,219.68
  5. Step 5: Solve for x
    x = 22,729,737,219.68/143,307.28
  6. Step 6: Final answer
    x = 158,608.39

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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.