Home / 459,853.23-689,883.63-140,033.70

Finding the Fourth Proportional to 459,853.23, 689,883.63 and 140,033.70

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Solution

The fourth proportional to 459,853.23, 689,883.63 and 140,033.70 is: 210,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,853.23 : 689,883.63 = 140,033.70 : x
  2. Step 2: Convert to fraction form
    459,853.23/689,883.63 = 140,033.70/x
  3. Step 3: Cross multiply
    459,853.23x = 689,883.63 × 140,033.70
  4. Step 4: Simplify right side
    459,853.23x = 96,606,957,278.33
  5. Step 5: Solve for x
    x = 96,606,957,278.33/459,853.23
  6. Step 6: Final answer
    x = 210,082.15

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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.