Home / 158,244.27-218,376.32-86,622.99

Finding the Fourth Proportional to 158,244.27, 218,376.32 and 86,622.99

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Solution

The fourth proportional to 158,244.27, 218,376.32 and 86,622.99 is: 119,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,244.27 : 218,376.32 = 86,622.99 : x
  2. Step 2: Convert to fraction form
    158,244.27/218,376.32 = 86,622.99/x
  3. Step 3: Cross multiply
    158,244.27x = 218,376.32 × 86,622.99
  4. Step 4: Simplify right side
    158,244.27x = 18,916,409,350.48
  5. Step 5: Solve for x
    x = 18,916,409,350.48/158,244.27
  6. Step 6: Final answer
    x = 119,539.30

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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.