Home / 316,720.68-437,118.03-194,191.39

Finding the Fourth Proportional to 316,720.68, 437,118.03 and 194,191.39

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Solution

The fourth proportional to 316,720.68, 437,118.03 and 194,191.39 is: 268,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,720.68 : 437,118.03 = 194,191.39 : x
  2. Step 2: Convert to fraction form
    316,720.68/437,118.03 = 194,191.39/x
  3. Step 3: Cross multiply
    316,720.68x = 437,118.03 × 194,191.39
  4. Step 4: Simplify right side
    316,720.68x = 84,884,554,683.21
  5. Step 5: Solve for x
    x = 84,884,554,683.21/316,720.68
  6. Step 6: Final answer
    x = 268,010.77

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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.