Home / 319,240.55-440,538.68-174,043.19

Finding the Fourth Proportional to 319,240.55, 440,538.68 and 174,043.19

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Solution

The fourth proportional to 319,240.55, 440,538.68 and 174,043.19 is: 240,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,240.55 : 440,538.68 = 174,043.19 : x
  2. Step 2: Convert to fraction form
    319,240.55/440,538.68 = 174,043.19/x
  3. Step 3: Cross multiply
    319,240.55x = 440,538.68 × 174,043.19
  4. Step 4: Simplify right side
    319,240.55x = 76,672,754,112.68
  5. Step 5: Solve for x
    x = 76,672,754,112.68/319,240.55
  6. Step 6: Final answer
    x = 240,172.36

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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.