Home / 209,440.36-289,011.30-118,797.16

Finding the Fourth Proportional to 209,440.36, 289,011.30 and 118,797.16

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Solution

The fourth proportional to 209,440.36, 289,011.30 and 118,797.16 is: 163,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,440.36 : 289,011.30 = 118,797.16 : x
  2. Step 2: Convert to fraction form
    209,440.36/289,011.30 = 118,797.16/x
  3. Step 3: Cross multiply
    209,440.36x = 289,011.30 × 118,797.16
  4. Step 4: Simplify right side
    209,440.36x = 34,333,721,647.91
  5. Step 5: Solve for x
    x = 34,333,721,647.91/209,440.36
  6. Step 6: Final answer
    x = 163,930.78

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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.