Home / 459,826.95-689,769.59-144,296.31

Finding the Fourth Proportional to 459,826.95, 689,769.59 and 144,296.31

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Solution

The fourth proportional to 459,826.95, 689,769.59 and 144,296.31 is: 216,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,826.95 : 689,769.59 = 144,296.31 : x
  2. Step 2: Convert to fraction form
    459,826.95/689,769.59 = 144,296.31/x
  3. Step 3: Cross multiply
    459,826.95x = 689,769.59 × 144,296.31
  4. Step 4: Simplify right side
    459,826.95x = 99,531,206,587.21
  5. Step 5: Solve for x
    x = 99,531,206,587.21/459,826.95
  6. Step 6: Final answer
    x = 216,453.62

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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.