Home / 316,402.94-436,632.48-173,161.26

Finding the Fourth Proportional to 316,402.94, 436,632.48 and 173,161.26

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Solution

The fourth proportional to 316,402.94, 436,632.48 and 173,161.26 is: 238,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,402.94 : 436,632.48 = 173,161.26 : x
  2. Step 2: Convert to fraction form
    316,402.94/436,632.48 = 173,161.26/x
  3. Step 3: Cross multiply
    316,402.94x = 436,632.48 × 173,161.26
  4. Step 4: Simplify right side
    316,402.94x = 75,607,830,393.72
  5. Step 5: Solve for x
    x = 75,607,830,393.72/316,402.94
  6. Step 6: Final answer
    x = 238,960.58

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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.