Home / 194,292.90-291,132.36-146,682.72

Finding the Fourth Proportional to 194,292.90, 291,132.36 and 146,682.72

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Solution

The fourth proportional to 194,292.90, 291,132.36 and 146,682.72 is: 219,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,292.90 : 291,132.36 = 146,682.72 : x
  2. Step 2: Convert to fraction form
    194,292.90/291,132.36 = 146,682.72/x
  3. Step 3: Cross multiply
    194,292.90x = 291,132.36 × 146,682.72
  4. Step 4: Simplify right side
    194,292.90x = 42,704,086,444.82
  5. Step 5: Solve for x
    x = 42,704,086,444.82/194,292.90
  6. Step 6: Final answer
    x = 219,792.32

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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.