Home / 152,875.36-228,906.96-102,878.56

Finding the Fourth Proportional to 152,875.36, 228,906.96 and 102,878.56

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Solution

The fourth proportional to 152,875.36, 228,906.96 and 102,878.56 is: 154,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,875.36 : 228,906.96 = 102,878.56 : x
  2. Step 2: Convert to fraction form
    152,875.36/228,906.96 = 102,878.56/x
  3. Step 3: Cross multiply
    152,875.36x = 228,906.96 × 102,878.56
  4. Step 4: Simplify right side
    152,875.36x = 23,549,618,418.78
  5. Step 5: Solve for x
    x = 23,549,618,418.78/152,875.36
  6. Step 6: Final answer
    x = 154,044.57

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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.