Home / 313,953.15-433,246.28-177,999.72

Finding the Fourth Proportional to 313,953.15, 433,246.28 and 177,999.72

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Solution

The fourth proportional to 313,953.15, 433,246.28 and 177,999.72 is: 245,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,953.15 : 433,246.28 = 177,999.72 : x
  2. Step 2: Convert to fraction form
    313,953.15/433,246.28 = 177,999.72/x
  3. Step 3: Cross multiply
    313,953.15x = 433,246.28 × 177,999.72
  4. Step 4: Simplify right side
    313,953.15x = 77,117,716,531.04
  5. Step 5: Solve for x
    x = 77,117,716,531.04/313,953.15
  6. Step 6: Final answer
    x = 245,634.47

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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.