Home / 209,442.81-289,032.33-113,950.19

Finding the Fourth Proportional to 209,442.81, 289,032.33 and 113,950.19

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Solution

The fourth proportional to 209,442.81, 289,032.33 and 113,950.19 is: 157,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,442.81 : 289,032.33 = 113,950.19 : x
  2. Step 2: Convert to fraction form
    209,442.81/289,032.33 = 113,950.19/x
  3. Step 3: Cross multiply
    209,442.81x = 289,032.33 × 113,950.19
  4. Step 4: Simplify right side
    209,442.81x = 32,935,287,474.48
  5. Step 5: Solve for x
    x = 32,935,287,474.48/209,442.81
  6. Step 6: Final answer
    x = 157,251.94

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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.