Home / 344,113.90-515,998.05-156,913.90

Finding the Fourth Proportional to 344,113.90, 515,998.05 and 156,913.90

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Solution

The fourth proportional to 344,113.90, 515,998.05 and 156,913.90 is: 235,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,113.90 : 515,998.05 = 156,913.90 : x
  2. Step 2: Convert to fraction form
    344,113.90/515,998.05 = 156,913.90/x
  3. Step 3: Cross multiply
    344,113.90x = 515,998.05 × 156,913.90
  4. Step 4: Simplify right side
    344,113.90x = 80,967,266,417.90
  5. Step 5: Solve for x
    x = 80,967,266,417.90/344,113.90
  6. Step 6: Final answer
    x = 235,292.05

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1.5x scale

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.