Home / 319,247.11-440,564.07-176,012.29

Finding the Fourth Proportional to 319,247.11, 440,564.07 and 176,012.29

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Solution

The fourth proportional to 319,247.11, 440,564.07 and 176,012.29 is: 242,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,247.11 : 440,564.07 = 176,012.29 : x
  2. Step 2: Convert to fraction form
    319,247.11/440,564.07 = 176,012.29/x
  3. Step 3: Cross multiply
    319,247.11x = 440,564.07 × 176,012.29
  4. Step 4: Simplify right side
    319,247.11x = 77,544,690,852.42
  5. Step 5: Solve for x
    x = 77,544,690,852.42/319,247.11
  6. Step 6: Final answer
    x = 242,898.65

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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.