Home / 319,061.18-440,298.77-173,868.23

Finding the Fourth Proportional to 319,061.18, 440,298.77 and 173,868.23

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Solution

The fourth proportional to 319,061.18, 440,298.77 and 173,868.23 is: 239,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,061.18 : 440,298.77 = 173,868.23 : x
  2. Step 2: Convert to fraction form
    319,061.18/440,298.77 = 173,868.23/x
  3. Step 3: Cross multiply
    319,061.18x = 440,298.77 × 173,868.23
  4. Step 4: Simplify right side
    319,061.18x = 76,553,968,042.48
  5. Step 5: Solve for x
    x = 76,553,968,042.48/319,061.18
  6. Step 6: Final answer
    x = 239,935.07

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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.