Home / 319,075.10-440,317.90-173,882.14

Finding the Fourth Proportional to 319,075.10, 440,317.90 and 173,882.14

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Solution

The fourth proportional to 319,075.10, 440,317.90 and 173,882.14 is: 239,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,075.10 : 440,317.90 = 173,882.14 : x
  2. Step 2: Convert to fraction form
    319,075.10/440,317.90 = 173,882.14/x
  3. Step 3: Cross multiply
    319,075.10x = 440,317.90 × 173,882.14
  4. Step 4: Simplify right side
    319,075.10x = 76,563,419,836.61
  5. Step 5: Solve for x
    x = 76,563,419,836.61/319,075.10
  6. Step 6: Final answer
    x = 239,954.23

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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.