Home / 316,453.92-436,689.48-173,186.24

Finding the Fourth Proportional to 316,453.92, 436,689.48 and 173,186.24

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Solution

The fourth proportional to 316,453.92, 436,689.48 and 173,186.24 is: 238,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,453.92 : 436,689.48 = 173,186.24 : x
  2. Step 2: Convert to fraction form
    316,453.92/436,689.48 = 173,186.24/x
  3. Step 3: Cross multiply
    316,453.92x = 436,689.48 × 173,186.24
  4. Step 4: Simplify right side
    316,453.92x = 75,628,609,088.76
  5. Step 5: Solve for x
    x = 75,628,609,088.76/316,453.92
  6. Step 6: Final answer
    x = 238,987.75

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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.