Home / 316,569.65-436,849.34-173,302.11

Finding the Fourth Proportional to 316,569.65, 436,849.34 and 173,302.11

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Solution

The fourth proportional to 316,569.65, 436,849.34 and 173,302.11 is: 239,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,569.65 : 436,849.34 = 173,302.11 : x
  2. Step 2: Convert to fraction form
    316,569.65/436,849.34 = 173,302.11/x
  3. Step 3: Cross multiply
    316,569.65x = 436,849.34 × 173,302.11
  4. Step 4: Simplify right side
    316,569.65x = 75,706,911,507.60
  5. Step 5: Solve for x
    x = 75,706,911,507.60/316,569.65
  6. Step 6: Final answer
    x = 239,147.73

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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.