Home / 152,416.39-228,558.42-81,323.17

Finding the Fourth Proportional to 152,416.39, 228,558.42 and 81,323.17

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Solution

The fourth proportional to 152,416.39, 228,558.42 and 81,323.17 is: 121,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,416.39 : 228,558.42 = 81,323.17 : x
  2. Step 2: Convert to fraction form
    152,416.39/228,558.42 = 81,323.17/x
  3. Step 3: Cross multiply
    152,416.39x = 228,558.42 × 81,323.17
  4. Step 4: Simplify right side
    152,416.39x = 18,587,094,353.29
  5. Step 5: Solve for x
    x = 18,587,094,353.29/152,416.39
  6. Step 6: Final answer
    x = 121,949.45

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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.