Home / 279,188.07-418,615.64-189,341.25

Finding the Fourth Proportional to 279,188.07, 418,615.64 and 189,341.25

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Solution

The fourth proportional to 279,188.07, 418,615.64 and 189,341.25 is: 283,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,188.07 : 418,615.64 = 189,341.25 : x
  2. Step 2: Convert to fraction form
    279,188.07/418,615.64 = 189,341.25/x
  3. Step 3: Cross multiply
    279,188.07x = 418,615.64 × 189,341.25
  4. Step 4: Simplify right side
    279,188.07x = 79,261,208,547.15
  5. Step 5: Solve for x
    x = 79,261,208,547.15/279,188.07
  6. Step 6: Final answer
    x = 283,898.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.