Home / 292,971.15-439,456.73-105,938.91

Finding the Fourth Proportional to 292,971.15, 439,456.73 and 105,938.91

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Solution

The fourth proportional to 292,971.15, 439,456.73 and 105,938.91 is: 158,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,971.15 : 439,456.73 = 105,938.91 : x
  2. Step 2: Convert to fraction form
    292,971.15/439,456.73 = 105,938.91/x
  3. Step 3: Cross multiply
    292,971.15x = 439,456.73 × 105,938.91
  4. Step 4: Simplify right side
    292,971.15x = 46,555,566,438.67
  5. Step 5: Solve for x
    x = 46,555,566,438.67/292,971.15
  6. Step 6: Final answer
    x = 158,908.37

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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.