Home / 215,769.42-297,889.38-191,829.86

Finding the Fourth Proportional to 215,769.42, 297,889.38 and 191,829.86

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Solution

The fourth proportional to 215,769.42, 297,889.38 and 191,829.86 is: 264,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,769.42 : 297,889.38 = 191,829.86 : x
  2. Step 2: Convert to fraction form
    215,769.42/297,889.38 = 191,829.86/x
  3. Step 3: Cross multiply
    215,769.42x = 297,889.38 × 191,829.86
  4. Step 4: Simplify right side
    215,769.42x = 57,144,075,852.08
  5. Step 5: Solve for x
    x = 57,144,075,852.08/215,769.42
  6. Step 6: Final answer
    x = 264,838.63

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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.