Home / 157,919.04-217,967.00-89,976.11

Finding the Fourth Proportional to 157,919.04, 217,967.00 and 89,976.11

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Solution

The fourth proportional to 157,919.04, 217,967.00 and 89,976.11 is: 124,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,919.04 : 217,967.00 = 89,976.11 : x
  2. Step 2: Convert to fraction form
    157,919.04/217,967.00 = 89,976.11/x
  3. Step 3: Cross multiply
    157,919.04x = 217,967.00 × 89,976.11
  4. Step 4: Simplify right side
    157,919.04x = 19,611,821,228.65
  5. Step 5: Solve for x
    x = 19,611,821,228.65/157,919.04
  6. Step 6: Final answer
    x = 124,189.09

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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.