Home / 319,200.04-440,522.58-175,988.08

Finding the Fourth Proportional to 319,200.04, 440,522.58 and 175,988.08

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Solution

The fourth proportional to 319,200.04, 440,522.58 and 175,988.08 is: 242,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,200.04 : 440,522.58 = 175,988.08 : x
  2. Step 2: Convert to fraction form
    319,200.04/440,522.58 = 175,988.08/x
  3. Step 3: Cross multiply
    319,200.04x = 440,522.58 × 175,988.08
  4. Step 4: Simplify right side
    319,200.04x = 77,526,723,050.85
  5. Step 5: Solve for x
    x = 77,526,723,050.85/319,200.04
  6. Step 6: Final answer
    x = 242,878.17

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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.