Home / 209,362.18-288,923.46-113,869.52

Finding the Fourth Proportional to 209,362.18, 288,923.46 and 113,869.52

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Solution

The fourth proportional to 209,362.18, 288,923.46 and 113,869.52 is: 157,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,362.18 : 288,923.46 = 113,869.52 : x
  2. Step 2: Convert to fraction form
    209,362.18/288,923.46 = 113,869.52/x
  3. Step 3: Cross multiply
    209,362.18x = 288,923.46 × 113,869.52
  4. Step 4: Simplify right side
    209,362.18x = 32,899,575,706.94
  5. Step 5: Solve for x
    x = 32,899,575,706.94/209,362.18
  6. Step 6: Final answer
    x = 157,141.93

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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.