Home / 293,390.02-440,232.65-218,660.23

Finding the Fourth Proportional to 293,390.02, 440,232.65 and 218,660.23

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Solution

The fourth proportional to 293,390.02, 440,232.65 and 218,660.23 is: 328,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,390.02 : 440,232.65 = 218,660.23 : x
  2. Step 2: Convert to fraction form
    293,390.02/440,232.65 = 218,660.23/x
  3. Step 3: Cross multiply
    293,390.02x = 440,232.65 × 218,660.23
  4. Step 4: Simplify right side
    293,390.02x = 96,261,372,502.51
  5. Step 5: Solve for x
    x = 96,261,372,502.51/293,390.02
  6. Step 6: Final answer
    x = 328,100.36

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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.