Home / 194,223.96-291,364.62-99,507.72

Finding the Fourth Proportional to 194,223.96, 291,364.62 and 99,507.72

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Solution

The fourth proportional to 194,223.96, 291,364.62 and 99,507.72 is: 149,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,223.96 : 291,364.62 = 99,507.72 : x
  2. Step 2: Convert to fraction form
    194,223.96/291,364.62 = 99,507.72/x
  3. Step 3: Cross multiply
    194,223.96x = 291,364.62 × 99,507.72
  4. Step 4: Simplify right side
    194,223.96x = 28,993,029,024.87
  5. Step 5: Solve for x
    x = 28,993,029,024.87/194,223.96
  6. Step 6: Final answer
    x = 149,276.27

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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.