Home / 316,454.07-436,707.09-173,223.17

Finding the Fourth Proportional to 316,454.07, 436,707.09 and 173,223.17

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Solution

The fourth proportional to 316,454.07, 436,707.09 and 173,223.17 is: 239,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,454.07 : 436,707.09 = 173,223.17 : x
  2. Step 2: Convert to fraction form
    316,454.07/436,707.09 = 173,223.17/x
  3. Step 3: Cross multiply
    316,454.07x = 436,707.09 × 173,223.17
  4. Step 4: Simplify right side
    316,454.07x = 75,647,784,307.74
  5. Step 5: Solve for x
    x = 75,647,784,307.74/316,454.07
  6. Step 6: Final answer
    x = 239,048.23

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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.