Home / 211,302.84-291,584.70-115,802.76

Finding the Fourth Proportional to 211,302.84, 291,584.70 and 115,802.76

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Solution

The fourth proportional to 211,302.84, 291,584.70 and 115,802.76 is: 159,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,302.84 : 291,584.70 = 115,802.76 : x
  2. Step 2: Convert to fraction form
    211,302.84/291,584.70 = 115,802.76/x
  3. Step 3: Cross multiply
    211,302.84x = 291,584.70 × 115,802.76
  4. Step 4: Simplify right side
    211,302.84x = 33,766,313,033.77
  5. Step 5: Solve for x
    x = 33,766,313,033.77/211,302.84
  6. Step 6: Final answer
    x = 159,800.56

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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.