Home / 140,511.87-210,744.74-60,528.15

Finding the Fourth Proportional to 140,511.87, 210,744.74 and 60,528.15

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Solution

The fourth proportional to 140,511.87, 210,744.74 and 60,528.15 is: 90,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,511.87 : 210,744.74 = 60,528.15 : x
  2. Step 2: Convert to fraction form
    140,511.87/210,744.74 = 60,528.15/x
  3. Step 3: Cross multiply
    140,511.87x = 210,744.74 × 60,528.15
  4. Step 4: Simplify right side
    140,511.87x = 12,755,989,385.75
  5. Step 5: Solve for x
    x = 12,755,989,385.75/140,511.87
  6. Step 6: Final answer
    x = 90,782.29

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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.