Home / 215,777.81-297,901.05-191,838.33

Finding the Fourth Proportional to 215,777.81, 297,901.05 and 191,838.33

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Solution

The fourth proportional to 215,777.81, 297,901.05 and 191,838.33 is: 264,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,777.81 : 297,901.05 = 191,838.33 : x
  2. Step 2: Convert to fraction form
    215,777.81/297,901.05 = 191,838.33/x
  3. Step 3: Cross multiply
    215,777.81x = 297,901.05 × 191,838.33
  4. Step 4: Simplify right side
    215,777.81x = 57,148,837,488.55
  5. Step 5: Solve for x
    x = 57,148,837,488.55/215,777.81
  6. Step 6: Final answer
    x = 264,850.39

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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.