Home / 251,779.50-347,455.71-144,385.04

Finding the Fourth Proportional to 251,779.50, 347,455.71 and 144,385.04

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Solution

The fourth proportional to 251,779.50, 347,455.71 and 144,385.04 is: 199,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,779.50 : 347,455.71 = 144,385.04 : x
  2. Step 2: Convert to fraction form
    251,779.50/347,455.71 = 144,385.04/x
  3. Step 3: Cross multiply
    251,779.50x = 347,455.71 × 144,385.04
  4. Step 4: Simplify right side
    251,779.50x = 50,167,407,455.22
  5. Step 5: Solve for x
    x = 50,167,407,455.22/251,779.50
  6. Step 6: Final answer
    x = 199,251.36

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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.