Home / 198,216.69-273,535.14-112,174.07

Finding the Fourth Proportional to 198,216.69, 273,535.14 and 112,174.07

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Solution

The fourth proportional to 198,216.69, 273,535.14 and 112,174.07 is: 154,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,216.69 : 273,535.14 = 112,174.07 : x
  2. Step 2: Convert to fraction form
    198,216.69/273,535.14 = 112,174.07/x
  3. Step 3: Cross multiply
    198,216.69x = 273,535.14 × 112,174.07
  4. Step 4: Simplify right side
    198,216.69x = 30,683,549,941.82
  5. Step 5: Solve for x
    x = 30,683,549,941.82/198,216.69
  6. Step 6: Final answer
    x = 154,798.01

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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.