Home / 389,214.31-537,154.30-236,240.49

Finding the Fourth Proportional to 389,214.31, 537,154.30 and 236,240.49

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Solution

The fourth proportional to 389,214.31, 537,154.30 and 236,240.49 is: 326,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,214.31 : 537,154.30 = 236,240.49 : x
  2. Step 2: Convert to fraction form
    389,214.31/537,154.30 = 236,240.49/x
  3. Step 3: Cross multiply
    389,214.31x = 537,154.30 × 236,240.49
  4. Step 4: Simplify right side
    389,214.31x = 126,897,596,018.38
  5. Step 5: Solve for x
    x = 126,897,596,018.38/389,214.31
  6. Step 6: Final answer
    x = 326,035.28

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1.5x scale

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.