Home / 319,199.04-440,521.20-175,987.08

Finding the Fourth Proportional to 319,199.04, 440,521.20 and 175,987.08

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Solution

The fourth proportional to 319,199.04, 440,521.20 and 175,987.08 is: 242,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,199.04 : 440,521.20 = 175,987.08 : x
  2. Step 2: Convert to fraction form
    319,199.04/440,521.20 = 175,987.08/x
  3. Step 3: Cross multiply
    319,199.04x = 440,521.20 × 175,987.08
  4. Step 4: Simplify right side
    319,199.04x = 77,526,039,666.10
  5. Step 5: Solve for x
    x = 77,526,039,666.10/319,199.04
  6. Step 6: Final answer
    x = 242,876.79

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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.