Home / 316,943.69-437,381.44-171,753.50

Finding the Fourth Proportional to 316,943.69, 437,381.44 and 171,753.50

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Solution

The fourth proportional to 316,943.69, 437,381.44 and 171,753.50 is: 237,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,943.69 : 437,381.44 = 171,753.50 : x
  2. Step 2: Convert to fraction form
    316,943.69/437,381.44 = 171,753.50/x
  3. Step 3: Cross multiply
    316,943.69x = 437,381.44 × 171,753.50
  4. Step 4: Simplify right side
    316,943.69x = 75,121,790,109.37
  5. Step 5: Solve for x
    x = 75,121,790,109.37/316,943.69
  6. Step 6: Final answer
    x = 237,019.36

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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.