Home / 319,535.20-440,955.36-176,296.24

Finding the Fourth Proportional to 319,535.20, 440,955.36 and 176,296.24

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Solution

The fourth proportional to 319,535.20, 440,955.36 and 176,296.24 is: 243,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,535.20 : 440,955.36 = 176,296.24 : x
  2. Step 2: Convert to fraction form
    319,535.20/440,955.36 = 176,296.24/x
  3. Step 3: Cross multiply
    319,535.20x = 440,955.36 × 176,296.24
  4. Step 4: Simplify right side
    319,535.20x = 77,738,771,975.85
  5. Step 5: Solve for x
    x = 77,738,771,975.85/319,535.20
  6. Step 6: Final answer
    x = 243,287.04

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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.