Home / 313,862.19-432,977.56-186,447.57

Finding the Fourth Proportional to 313,862.19, 432,977.56 and 186,447.57

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Solution

The fourth proportional to 313,862.19, 432,977.56 and 186,447.57 is: 257,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,862.19 : 432,977.56 = 186,447.57 : x
  2. Step 2: Convert to fraction form
    313,862.19/432,977.56 = 186,447.57/x
  3. Step 3: Cross multiply
    313,862.19x = 432,977.56 × 186,447.57
  4. Step 4: Simplify right side
    313,862.19x = 80,727,613,926.53
  5. Step 5: Solve for x
    x = 80,727,613,926.53/313,862.19
  6. Step 6: Final answer
    x = 257,207.20

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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.