Home / 208,259.17-312,400.86-58,511.13

Finding the Fourth Proportional to 208,259.17, 312,400.86 and 58,511.13

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Solution

The fourth proportional to 208,259.17, 312,400.86 and 58,511.13 is: 87,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,259.17 : 312,400.86 = 58,511.13 : x
  2. Step 2: Convert to fraction form
    208,259.17/312,400.86 = 58,511.13/x
  3. Step 3: Cross multiply
    208,259.17x = 312,400.86 × 58,511.13
  4. Step 4: Simplify right side
    208,259.17x = 18,278,927,331.57
  5. Step 5: Solve for x
    x = 18,278,927,331.57/208,259.17
  6. Step 6: Final answer
    x = 87,770.10

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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.