Home / 197,373.93-272,378.88-111,336.95

Finding the Fourth Proportional to 197,373.93, 272,378.88 and 111,336.95

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Solution

The fourth proportional to 197,373.93, 272,378.88 and 111,336.95 is: 153,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,373.93 : 272,378.88 = 111,336.95 : x
  2. Step 2: Convert to fraction form
    197,373.93/272,378.88 = 111,336.95/x
  3. Step 3: Cross multiply
    197,373.93x = 272,378.88 × 111,336.95
  4. Step 4: Simplify right side
    197,373.93x = 30,325,832,381.72
  5. Step 5: Solve for x
    x = 30,325,832,381.72/197,373.93
  6. Step 6: Final answer
    x = 153,646.60

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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.