Home / 347,023.85-478,904.40-191,977.29

Finding the Fourth Proportional to 347,023.85, 478,904.40 and 191,977.29

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Solution

The fourth proportional to 347,023.85, 478,904.40 and 191,977.29 is: 264,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,023.85 : 478,904.40 = 191,977.29 : x
  2. Step 2: Convert to fraction form
    347,023.85/478,904.40 = 191,977.29/x
  3. Step 3: Cross multiply
    347,023.85x = 478,904.40 × 191,977.29
  4. Step 4: Simplify right side
    347,023.85x = 91,938,768,881.08
  5. Step 5: Solve for x
    x = 91,938,768,881.08/347,023.85
  6. Step 6: Final answer
    x = 264,935.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.