Home / 316,248.79-436,421.78-173,006.23

Finding the Fourth Proportional to 316,248.79, 436,421.78 and 173,006.23

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Solution

The fourth proportional to 316,248.79, 436,421.78 and 173,006.23 is: 238,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,248.79 : 436,421.78 = 173,006.23 : x
  2. Step 2: Convert to fraction form
    316,248.79/436,421.78 = 173,006.23/x
  3. Step 3: Cross multiply
    316,248.79x = 436,421.78 × 173,006.23
  4. Step 4: Simplify right side
    316,248.79x = 75,503,685,982.66
  5. Step 5: Solve for x
    x = 75,503,685,982.66/316,248.79
  6. Step 6: Final answer
    x = 238,747.75

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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.