Home / 212,323.87-293,127.83-140,800.47

Finding the Fourth Proportional to 212,323.87, 293,127.83 and 140,800.47

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Solution

The fourth proportional to 212,323.87, 293,127.83 and 140,800.47 is: 194,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,323.87 : 293,127.83 = 140,800.47 : x
  2. Step 2: Convert to fraction form
    212,323.87/293,127.83 = 140,800.47/x
  3. Step 3: Cross multiply
    212,323.87x = 293,127.83 × 140,800.47
  4. Step 4: Simplify right side
    212,323.87x = 41,272,536,234.08
  5. Step 5: Solve for x
    x = 41,272,536,234.08/212,323.87
  6. Step 6: Final answer
    x = 194,384.82

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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.