Home / 209,450.07-289,032.50-113,956.81

Finding the Fourth Proportional to 209,450.07, 289,032.50 and 113,956.81

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Solution

The fourth proportional to 209,450.07, 289,032.50 and 113,956.81 is: 157,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,450.07 : 289,032.50 = 113,956.81 : x
  2. Step 2: Convert to fraction form
    209,450.07/289,032.50 = 113,956.81/x
  3. Step 3: Cross multiply
    209,450.07x = 289,032.50 × 113,956.81
  4. Step 4: Simplify right side
    209,450.07x = 32,937,221,248.64
  5. Step 5: Solve for x
    x = 32,937,221,248.64/209,450.07
  6. Step 6: Final answer
    x = 157,255.72

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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.