Home / 109,316.93-163,604.74-67,223.46

Finding the Fourth Proportional to 109,316.93, 163,604.74 and 67,223.46

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Solution

The fourth proportional to 109,316.93, 163,604.74 and 67,223.46 is: 100,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,316.93 : 163,604.74 = 67,223.46 : x
  2. Step 2: Convert to fraction form
    109,316.93/163,604.74 = 67,223.46/x
  3. Step 3: Cross multiply
    109,316.93x = 163,604.74 × 67,223.46
  4. Step 4: Simplify right side
    109,316.93x = 10,998,076,695.20
  5. Step 5: Solve for x
    x = 10,998,076,695.20/109,316.93
  6. Step 6: Final answer
    x = 100,607.26

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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.