Home / 347,750.10-521,495.55-123,023.70

Finding the Fourth Proportional to 347,750.10, 521,495.55 and 123,023.70

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Solution

The fourth proportional to 347,750.10, 521,495.55 and 123,023.70 is: 184,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,750.10 : 521,495.55 = 123,023.70 : x
  2. Step 2: Convert to fraction form
    347,750.10/521,495.55 = 123,023.70/x
  3. Step 3: Cross multiply
    347,750.10x = 521,495.55 × 123,023.70
  4. Step 4: Simplify right side
    347,750.10x = 64,156,312,094.54
  5. Step 5: Solve for x
    x = 64,156,312,094.54/347,750.10
  6. Step 6: Final answer
    x = 184,489.70

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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.