Home / 211,490.95-317,255.08-59,689.38

Finding the Fourth Proportional to 211,490.95, 317,255.08 and 59,689.38

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Solution

The fourth proportional to 211,490.95, 317,255.08 and 59,689.38 is: 89,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,490.95 : 317,255.08 = 59,689.38 : x
  2. Step 2: Convert to fraction form
    211,490.95/317,255.08 = 59,689.38/x
  3. Step 3: Cross multiply
    211,490.95x = 317,255.08 × 59,689.38
  4. Step 4: Simplify right side
    211,490.95x = 18,936,759,027.05
  5. Step 5: Solve for x
    x = 18,936,759,027.05/211,490.95
  6. Step 6: Final answer
    x = 89,539.34

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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.