Home / 489,889.01-734,837.15-134,922.50

Finding the Fourth Proportional to 489,889.01, 734,837.15 and 134,922.50

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Solution

The fourth proportional to 489,889.01, 734,837.15 and 134,922.50 is: 202,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,889.01 : 734,837.15 = 134,922.50 : x
  2. Step 2: Convert to fraction form
    489,889.01/734,837.15 = 134,922.50/x
  3. Step 3: Cross multiply
    489,889.01x = 734,837.15 × 134,922.50
  4. Step 4: Simplify right side
    489,889.01x = 99,146,067,545.27
  5. Step 5: Solve for x
    x = 99,146,067,545.27/489,889.01
  6. Step 6: Final answer
    x = 202,384.76

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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.