Home / 313,988.20-433,151.36-186,573.58

Finding the Fourth Proportional to 313,988.20, 433,151.36 and 186,573.58

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Solution

The fourth proportional to 313,988.20, 433,151.36 and 186,573.58 is: 257,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,988.20 : 433,151.36 = 186,573.58 : x
  2. Step 2: Convert to fraction form
    313,988.20/433,151.36 = 186,573.58/x
  3. Step 3: Cross multiply
    313,988.20x = 433,151.36 × 186,573.58
  4. Step 4: Simplify right side
    313,988.20x = 80,814,599,917.07
  5. Step 5: Solve for x
    x = 80,814,599,917.07/313,988.20
  6. Step 6: Final answer
    x = 257,381.01

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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.