Home / 157,727.62-236,394.53-78,864.40

Finding the Fourth Proportional to 157,727.62, 236,394.53 and 78,864.40

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Solution

The fourth proportional to 157,727.62, 236,394.53 and 78,864.40 is: 118,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,727.62 : 236,394.53 = 78,864.40 : x
  2. Step 2: Convert to fraction form
    157,727.62/236,394.53 = 78,864.40/x
  3. Step 3: Cross multiply
    157,727.62x = 236,394.53 × 78,864.40
  4. Step 4: Simplify right side
    157,727.62x = 18,643,111,195.44
  5. Step 5: Solve for x
    x = 18,643,111,195.44/157,727.62
  6. Step 6: Final answer
    x = 118,198.14

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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.