Home / 319,779.61-441,284.27-176,536.58

Finding the Fourth Proportional to 319,779.61, 441,284.27 and 176,536.58

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Solution

The fourth proportional to 319,779.61, 441,284.27 and 176,536.58 is: 243,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,779.61 : 441,284.27 = 176,536.58 : x
  2. Step 2: Convert to fraction form
    319,779.61/441,284.27 = 176,536.58/x
  3. Step 3: Cross multiply
    319,779.61x = 441,284.27 × 176,536.58
  4. Step 4: Simplify right side
    319,779.61x = 77,902,812,744.49
  5. Step 5: Solve for x
    x = 77,902,812,744.49/319,779.61
  6. Step 6: Final answer
    x = 243,614.07

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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.