Home / 209,830.50-289,566.23-114,337.17

Finding the Fourth Proportional to 209,830.50, 289,566.23 and 114,337.17

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Solution

The fourth proportional to 209,830.50, 289,566.23 and 114,337.17 is: 157,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,830.50 : 289,566.23 = 114,337.17 : x
  2. Step 2: Convert to fraction form
    209,830.50/289,566.23 = 114,337.17/x
  3. Step 3: Cross multiply
    209,830.50x = 289,566.23 × 114,337.17
  4. Step 4: Simplify right side
    209,830.50x = 33,108,182,694.08
  5. Step 5: Solve for x
    x = 33,108,182,694.08/209,830.50
  6. Step 6: Final answer
    x = 157,785.37

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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.