Home / 211,515.69-317,356.61-93,104.02

Finding the Fourth Proportional to 211,515.69, 317,356.61 and 93,104.02

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Solution

The fourth proportional to 211,515.69, 317,356.61 and 93,104.02 is: 139,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,515.69 : 317,356.61 = 93,104.02 : x
  2. Step 2: Convert to fraction form
    211,515.69/317,356.61 = 93,104.02/x
  3. Step 3: Cross multiply
    211,515.69x = 317,356.61 × 93,104.02
  4. Step 4: Simplify right side
    211,515.69x = 29,547,174,905.66
  5. Step 5: Solve for x
    x = 29,547,174,905.66/211,515.69
  6. Step 6: Final answer
    x = 139,692.59

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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.