Home / 132,547.14-198,908.19-70,261.38

Finding the Fourth Proportional to 132,547.14, 198,908.19 and 70,261.38

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Solution

The fourth proportional to 132,547.14, 198,908.19 and 70,261.38 is: 105,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,547.14 : 198,908.19 = 70,261.38 : x
  2. Step 2: Convert to fraction form
    132,547.14/198,908.19 = 70,261.38/x
  3. Step 3: Cross multiply
    132,547.14x = 198,908.19 × 70,261.38
  4. Step 4: Simplify right side
    132,547.14x = 13,975,563,922.70
  5. Step 5: Solve for x
    x = 13,975,563,922.70/132,547.14
  6. Step 6: Final answer
    x = 105,438.44

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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.