Home / 316,430.64-436,672.89-173,190.24

Finding the Fourth Proportional to 316,430.64, 436,672.89 and 173,190.24

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Solution

The fourth proportional to 316,430.64, 436,672.89 and 173,190.24 is: 239,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,430.64 : 436,672.89 = 173,190.24 : x
  2. Step 2: Convert to fraction form
    316,430.64/436,672.89 = 173,190.24/x
  3. Step 3: Cross multiply
    316,430.64x = 436,672.89 × 173,190.24
  4. Step 4: Simplify right side
    316,430.64x = 75,627,482,620.59
  5. Step 5: Solve for x
    x = 75,627,482,620.59/316,430.64
  6. Step 6: Final answer
    x = 239,001.77

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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.