Home / 319,337.88-440,680.14-176,111.16

Finding the Fourth Proportional to 319,337.88, 440,680.14 and 176,111.16

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Solution

The fourth proportional to 319,337.88, 440,680.14 and 176,111.16 is: 243,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,337.88 : 440,680.14 = 176,111.16 : x
  2. Step 2: Convert to fraction form
    319,337.88/440,680.14 = 176,111.16/x
  3. Step 3: Cross multiply
    319,337.88x = 440,680.14 × 176,111.16
  4. Step 4: Simplify right side
    319,337.88x = 77,608,690,644.36
  5. Step 5: Solve for x
    x = 77,608,690,644.36/319,337.88
  6. Step 6: Final answer
    x = 243,030.02

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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.