Home / 292,904.10-439,356.15-193,176.90

Finding the Fourth Proportional to 292,904.10, 439,356.15 and 193,176.90

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Solution

The fourth proportional to 292,904.10, 439,356.15 and 193,176.90 is: 289,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,904.10 : 439,356.15 = 193,176.90 : x
  2. Step 2: Convert to fraction form
    292,904.10/439,356.15 = 193,176.90/x
  3. Step 3: Cross multiply
    292,904.10x = 439,356.15 × 193,176.90
  4. Step 4: Simplify right side
    292,904.10x = 84,873,459,052.94
  5. Step 5: Solve for x
    x = 84,873,459,052.94/292,904.10
  6. Step 6: Final answer
    x = 289,765.35

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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.