Home / 315,480.06-473,224.19-90,844.18

Finding the Fourth Proportional to 315,480.06, 473,224.19 and 90,844.18

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Solution

The fourth proportional to 315,480.06, 473,224.19 and 90,844.18 is: 136,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,480.06 : 473,224.19 = 90,844.18 : x
  2. Step 2: Convert to fraction form
    315,480.06/473,224.19 = 90,844.18/x
  3. Step 3: Cross multiply
    315,480.06x = 473,224.19 × 90,844.18
  4. Step 4: Simplify right side
    315,480.06x = 42,989,661,859.43
  5. Step 5: Solve for x
    x = 42,989,661,859.43/315,480.06
  6. Step 6: Final answer
    x = 136,267.45

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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.