Home / 319,289.10-440,596.45-176,046.07

Finding the Fourth Proportional to 319,289.10, 440,596.45 and 176,046.07

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Solution

The fourth proportional to 319,289.10, 440,596.45 and 176,046.07 is: 242,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,289.10 : 440,596.45 = 176,046.07 : x
  2. Step 2: Convert to fraction form
    319,289.10/440,596.45 = 176,046.07/x
  3. Step 3: Cross multiply
    319,289.10x = 440,596.45 × 176,046.07
  4. Step 4: Simplify right side
    319,289.10x = 77,565,273,478.45
  5. Step 5: Solve for x
    x = 77,565,273,478.45/319,289.10
  6. Step 6: Final answer
    x = 242,931.17

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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.