Home / 316,469.07-436,727.79-173,238.17

Finding the Fourth Proportional to 316,469.07, 436,727.79 and 173,238.17

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Solution

The fourth proportional to 316,469.07, 436,727.79 and 173,238.17 is: 239,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,469.07 : 436,727.79 = 173,238.17 : x
  2. Step 2: Convert to fraction form
    316,469.07/436,727.79 = 173,238.17/x
  3. Step 3: Cross multiply
    316,469.07x = 436,727.79 × 173,238.17
  4. Step 4: Simplify right side
    316,469.07x = 75,657,920,944.11
  5. Step 5: Solve for x
    x = 75,657,920,944.11/316,469.07
  6. Step 6: Final answer
    x = 239,068.93

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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.