Home / 167,264.47-230,823-90,783.70

Finding the Fourth Proportional to 167,264.47, 230,823 and 90,783.70

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Solution

The fourth proportional to 167,264.47, 230,823 and 90,783.70 is: 125,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,264.47 : 230,823 = 90,783.70 : x
  2. Step 2: Convert to fraction form
    167,264.47/230,823 = 90,783.70/x
  3. Step 3: Cross multiply
    167,264.47x = 230,823 × 90,783.70
  4. Step 4: Simplify right side
    167,264.47x = 20,954,965,985.10
  5. Step 5: Solve for x
    x = 20,954,965,985.10/167,264.47
  6. Step 6: Final answer
    x = 125,280.44

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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.