Home / 301,780.91-452,669.60-77,141.04

Finding the Fourth Proportional to 301,780.91, 452,669.60 and 77,141.04

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Solution

The fourth proportional to 301,780.91, 452,669.60 and 77,141.04 is: 115,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,780.91 : 452,669.60 = 77,141.04 : x
  2. Step 2: Convert to fraction form
    301,780.91/452,669.60 = 77,141.04/x
  3. Step 3: Cross multiply
    301,780.91x = 452,669.60 × 77,141.04
  4. Step 4: Simplify right side
    301,780.91x = 34,919,403,334.68
  5. Step 5: Solve for x
    x = 34,919,403,334.68/301,780.91
  6. Step 6: Final answer
    x = 115,711.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.