Home / 215,011.84-296,038.72-195,082.80

Finding the Fourth Proportional to 215,011.84, 296,038.72 and 195,082.80

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Solution

The fourth proportional to 215,011.84, 296,038.72 and 195,082.80 is: 268,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,011.84 : 296,038.72 = 195,082.80 : x
  2. Step 2: Convert to fraction form
    215,011.84/296,038.72 = 195,082.80/x
  3. Step 3: Cross multiply
    215,011.84x = 296,038.72 × 195,082.80
  4. Step 4: Simplify right side
    215,011.84x = 57,752,062,406.02
  5. Step 5: Solve for x
    x = 57,752,062,406.02/215,011.84
  6. Step 6: Final answer
    x = 268,599.45

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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.