Home / 319,101.12-440,339.76-175,853.16

Finding the Fourth Proportional to 319,101.12, 440,339.76 and 175,853.16

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Solution

The fourth proportional to 319,101.12, 440,339.76 and 175,853.16 is: 242,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,101.12 : 440,339.76 = 175,853.16 : x
  2. Step 2: Convert to fraction form
    319,101.12/440,339.76 = 175,853.16/x
  3. Step 3: Cross multiply
    319,101.12x = 440,339.76 × 175,853.16
  4. Step 4: Simplify right side
    319,101.12x = 77,435,138,269.64
  5. Step 5: Solve for x
    x = 77,435,138,269.64/319,101.12
  6. Step 6: Final answer
    x = 242,666.46

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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.