Home / 297,875.57-411,071.04-161,909.84

Finding the Fourth Proportional to 297,875.57, 411,071.04 and 161,909.84

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Solution

The fourth proportional to 297,875.57, 411,071.04 and 161,909.84 is: 223,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,875.57 : 411,071.04 = 161,909.84 : x
  2. Step 2: Convert to fraction form
    297,875.57/411,071.04 = 161,909.84/x
  3. Step 3: Cross multiply
    297,875.57x = 411,071.04 × 161,909.84
  4. Step 4: Simplify right side
    297,875.57x = 66,556,444,113.06
  5. Step 5: Solve for x
    x = 66,556,444,113.06/297,875.57
  6. Step 6: Final answer
    x = 223,437.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.