Home / 100,851.36-151,277.04-100,705.60

Finding the Fourth Proportional to 100,851.36, 151,277.04 and 100,705.60

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Solution

The fourth proportional to 100,851.36, 151,277.04 and 100,705.60 is: 151,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851.36 : 151,277.04 = 100,705.60 : x
  2. Step 2: Convert to fraction form
    100,851.36/151,277.04 = 100,705.60/x
  3. Step 3: Cross multiply
    100,851.36x = 151,277.04 × 100,705.60
  4. Step 4: Simplify right side
    100,851.36x = 15,234,445,079.42
  5. Step 5: Solve for x
    x = 15,234,445,079.42/100,851.36
  6. Step 6: Final answer
    x = 151,058.40

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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.