Home / 239,090.48-329,807.04-149,510.96

Finding the Fourth Proportional to 239,090.48, 329,807.04 and 149,510.96

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Solution

The fourth proportional to 239,090.48, 329,807.04 and 149,510.96 is: 206,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,090.48 : 329,807.04 = 149,510.96 : x
  2. Step 2: Convert to fraction form
    239,090.48/329,807.04 = 149,510.96/x
  3. Step 3: Cross multiply
    239,090.48x = 329,807.04 × 149,510.96
  4. Step 4: Simplify right side
    239,090.48x = 49,309,767,165.16
  5. Step 5: Solve for x
    x = 49,309,767,165.16/239,090.48
  6. Step 6: Final answer
    x = 206,238.94

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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.