Home / 197,585.76-272,665.80-112,704.24

Finding the Fourth Proportional to 197,585.76, 272,665.80 and 112,704.24

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Solution

The fourth proportional to 197,585.76, 272,665.80 and 112,704.24 is: 155,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,585.76 : 272,665.80 = 112,704.24 : x
  2. Step 2: Convert to fraction form
    197,585.76/272,665.80 = 112,704.24/x
  3. Step 3: Cross multiply
    197,585.76x = 272,665.80 × 112,704.24
  4. Step 4: Simplify right side
    197,585.76x = 30,730,591,762.99
  5. Step 5: Solve for x
    x = 30,730,591,762.99/197,585.76
  6. Step 6: Final answer
    x = 155,530.40

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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.