Home / 316,256.91-436,426.18-187,202.04

Finding the Fourth Proportional to 316,256.91, 436,426.18 and 187,202.04

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Solution

The fourth proportional to 316,256.91, 436,426.18 and 187,202.04 is: 258,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,256.91 : 436,426.18 = 187,202.04 : x
  2. Step 2: Convert to fraction form
    316,256.91/436,426.18 = 187,202.04/x
  3. Step 3: Cross multiply
    316,256.91x = 436,426.18 × 187,202.04
  4. Step 4: Simplify right side
    316,256.91x = 81,699,869,100.80
  5. Step 5: Solve for x
    x = 81,699,869,100.80/316,256.91
  6. Step 6: Final answer
    x = 258,333.87

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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.