Home / 292,904.03-439,356.06-105,871.79

Finding the Fourth Proportional to 292,904.03, 439,356.06 and 105,871.79

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Solution

The fourth proportional to 292,904.03, 439,356.06 and 105,871.79 is: 158,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,904.03 : 439,356.06 = 105,871.79 : x
  2. Step 2: Convert to fraction form
    292,904.03/439,356.06 = 105,871.79/x
  3. Step 3: Cross multiply
    292,904.03x = 439,356.06 × 105,871.79
  4. Step 4: Simplify right side
    292,904.03x = 46,515,412,519.55
  5. Step 5: Solve for x
    x = 46,515,412,519.55/292,904.03
  6. Step 6: Final answer
    x = 158,807.69

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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.