Home / 158,494.10-218,744.27-98,084.21

Finding the Fourth Proportional to 158,494.10, 218,744.27 and 98,084.21

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Solution

The fourth proportional to 158,494.10, 218,744.27 and 98,084.21 is: 135,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,494.10 : 218,744.27 = 98,084.21 : x
  2. Step 2: Convert to fraction form
    158,494.10/218,744.27 = 98,084.21/x
  3. Step 3: Cross multiply
    158,494.10x = 218,744.27 × 98,084.21
  4. Step 4: Simplify right side
    158,494.10x = 21,455,357,330.83
  5. Step 5: Solve for x
    x = 21,455,357,330.83/158,494.10
  6. Step 6: Final answer
    x = 135,370.07

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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.