Home / 346,517.72-478,189.27-193,558.67

Finding the Fourth Proportional to 346,517.72, 478,189.27 and 193,558.67

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Solution

The fourth proportional to 346,517.72, 478,189.27 and 193,558.67 is: 267,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,517.72 : 478,189.27 = 193,558.67 : x
  2. Step 2: Convert to fraction form
    346,517.72/478,189.27 = 193,558.67/x
  3. Step 3: Cross multiply
    346,517.72x = 478,189.27 × 193,558.67
  4. Step 4: Simplify right side
    346,517.72x = 92,557,679,109.47
  5. Step 5: Solve for x
    x = 92,557,679,109.47/346,517.72
  6. Step 6: Final answer
    x = 267,108.07

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1.5x scale

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.