Home / 328,224.23-492,419.37-91,566.74

Finding the Fourth Proportional to 328,224.23, 492,419.37 and 91,566.74

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Solution

The fourth proportional to 328,224.23, 492,419.37 and 91,566.74 is: 137,373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,224.23 : 492,419.37 = 91,566.74 : x
  2. Step 2: Convert to fraction form
    328,224.23/492,419.37 = 91,566.74/x
  3. Step 3: Cross multiply
    328,224.23x = 492,419.37 × 91,566.74
  4. Step 4: Simplify right side
    328,224.23x = 45,089,233,961.66
  5. Step 5: Solve for x
    x = 45,089,233,961.66/328,224.23
  6. Step 6: Final answer
    x = 137,373.26

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1.5x scale

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.