Home / 319,137.06-440,411.19-175,897.11

Finding the Fourth Proportional to 319,137.06, 440,411.19 and 175,897.11

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Solution

The fourth proportional to 319,137.06, 440,411.19 and 175,897.11 is: 242,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,137.06 : 440,411.19 = 175,897.11 : x
  2. Step 2: Convert to fraction form
    319,137.06/440,411.19 = 175,897.11/x
  3. Step 3: Cross multiply
    319,137.06x = 440,411.19 × 175,897.11
  4. Step 4: Simplify right side
    319,137.06x = 77,467,055,532.66
  5. Step 5: Solve for x
    x = 77,467,055,532.66/319,137.06
  6. Step 6: Final answer
    x = 242,739.14

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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.