Home / 100,839.10-151,258.65-96,246.40

Finding the Fourth Proportional to 100,839.10, 151,258.65 and 96,246.40

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Solution

The fourth proportional to 100,839.10, 151,258.65 and 96,246.40 is: 144,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,839.10 : 151,258.65 = 96,246.40 : x
  2. Step 2: Convert to fraction form
    100,839.10/151,258.65 = 96,246.40/x
  3. Step 3: Cross multiply
    100,839.10x = 151,258.65 × 96,246.40
  4. Step 4: Simplify right side
    100,839.10x = 14,558,100,531.36
  5. Step 5: Solve for x
    x = 14,558,100,531.36/100,839.10
  6. Step 6: Final answer
    x = 144,369.60

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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.