Home / 292,905.16-439,357.74-105,872.92

Finding the Fourth Proportional to 292,905.16, 439,357.74 and 105,872.92

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Solution

The fourth proportional to 292,905.16, 439,357.74 and 105,872.92 is: 158,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,905.16 : 439,357.74 = 105,872.92 : x
  2. Step 2: Convert to fraction form
    292,905.16/439,357.74 = 105,872.92/x
  3. Step 3: Cross multiply
    292,905.16x = 439,357.74 × 105,872.92
  4. Step 4: Simplify right side
    292,905.16x = 46,516,086,858.40
  5. Step 5: Solve for x
    x = 46,516,086,858.40/292,905.16
  6. Step 6: Final answer
    x = 158,809.38

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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.