Home / 343,316.20-514,974.30-156,692.20

Finding the Fourth Proportional to 343,316.20, 514,974.30 and 156,692.20

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Solution

The fourth proportional to 343,316.20, 514,974.30 and 156,692.20 is: 235,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,316.20 : 514,974.30 = 156,692.20 : x
  2. Step 2: Convert to fraction form
    343,316.20/514,974.30 = 156,692.20/x
  3. Step 3: Cross multiply
    343,316.20x = 514,974.30 × 156,692.20
  4. Step 4: Simplify right side
    343,316.20x = 80,692,456,010.46
  5. Step 5: Solve for x
    x = 80,692,456,010.46/343,316.20
  6. Step 6: Final answer
    x = 235,038.30

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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.