Home / 185,710.85-256,512.84-143,206.50

Finding the Fourth Proportional to 185,710.85, 256,512.84 and 143,206.50

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Solution

The fourth proportional to 185,710.85, 256,512.84 and 143,206.50 is: 197,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,710.85 : 256,512.84 = 143,206.50 : x
  2. Step 2: Convert to fraction form
    185,710.85/256,512.84 = 143,206.50/x
  3. Step 3: Cross multiply
    185,710.85x = 256,512.84 × 143,206.50
  4. Step 4: Simplify right side
    185,710.85x = 36,734,306,021.46
  5. Step 5: Solve for x
    x = 36,734,306,021.46/185,710.85
  6. Step 6: Final answer
    x = 197,803.77

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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.