Home / 161,512.32-242,111.10-77,250.48

Finding the Fourth Proportional to 161,512.32, 242,111.10 and 77,250.48

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Solution

The fourth proportional to 161,512.32, 242,111.10 and 77,250.48 is: 115,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,512.32 : 242,111.10 = 77,250.48 : x
  2. Step 2: Convert to fraction form
    161,512.32/242,111.10 = 77,250.48/x
  3. Step 3: Cross multiply
    161,512.32x = 242,111.10 × 77,250.48
  4. Step 4: Simplify right side
    161,512.32x = 18,703,198,688.33
  5. Step 5: Solve for x
    x = 18,703,198,688.33/161,512.32
  6. Step 6: Final answer
    x = 115,800.45

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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.