Home / 319,102.12-440,341.14-175,854.16

Finding the Fourth Proportional to 319,102.12, 440,341.14 and 175,854.16

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Solution

The fourth proportional to 319,102.12, 440,341.14 and 175,854.16 is: 242,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,102.12 : 440,341.14 = 175,854.16 : x
  2. Step 2: Convert to fraction form
    319,102.12/440,341.14 = 175,854.16/x
  3. Step 3: Cross multiply
    319,102.12x = 440,341.14 × 175,854.16
  4. Step 4: Simplify right side
    319,102.12x = 77,435,821,288.14
  5. Step 5: Solve for x
    x = 77,435,821,288.14/319,102.12
  6. Step 6: Final answer
    x = 242,667.84

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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.