Home / 292,592.69-438,904.22-92,928.71

Finding the Fourth Proportional to 292,592.69, 438,904.22 and 92,928.71

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Solution

The fourth proportional to 292,592.69, 438,904.22 and 92,928.71 is: 139,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,592.69 : 438,904.22 = 92,928.71 : x
  2. Step 2: Convert to fraction form
    292,592.69/438,904.22 = 92,928.71/x
  3. Step 3: Cross multiply
    292,592.69x = 438,904.22 × 92,928.71
  4. Step 4: Simplify right side
    292,592.69x = 40,786,802,978.16
  5. Step 5: Solve for x
    x = 40,786,802,978.16/292,592.69
  6. Step 6: Final answer
    x = 139,397.89

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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.