Home / 191,082.04-263,686.80-106,197.28

Finding the Fourth Proportional to 191,082.04, 263,686.80 and 106,197.28

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Solution

The fourth proportional to 191,082.04, 263,686.80 and 106,197.28 is: 146,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,082.04 : 263,686.80 = 106,197.28 : x
  2. Step 2: Convert to fraction form
    191,082.04/263,686.80 = 106,197.28/x
  3. Step 3: Cross multiply
    191,082.04x = 263,686.80 × 106,197.28
  4. Step 4: Simplify right side
    191,082.04x = 28,002,820,931.90
  5. Step 5: Solve for x
    x = 28,002,820,931.90/191,082.04
  6. Step 6: Final answer
    x = 146,548.68

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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.