Home / 319,062.18-440,300.14-173,869.23

Finding the Fourth Proportional to 319,062.18, 440,300.14 and 173,869.23

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Solution

The fourth proportional to 319,062.18, 440,300.14 and 173,869.23 is: 239,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,062.18 : 440,300.14 = 173,869.23 : x
  2. Step 2: Convert to fraction form
    319,062.18/440,300.14 = 173,869.23/x
  3. Step 3: Cross multiply
    319,062.18x = 440,300.14 × 173,869.23
  4. Step 4: Simplify right side
    319,062.18x = 76,554,646,310.69
  5. Step 5: Solve for x
    x = 76,554,646,310.69/319,062.18
  6. Step 6: Final answer
    x = 239,936.45

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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.