Home / 313,243.64-432,276.05-177,275.12

Finding the Fourth Proportional to 313,243.64, 432,276.05 and 177,275.12

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Solution

The fourth proportional to 313,243.64, 432,276.05 and 177,275.12 is: 244,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,243.64 : 432,276.05 = 177,275.12 : x
  2. Step 2: Convert to fraction form
    313,243.64/432,276.05 = 177,275.12/x
  3. Step 3: Cross multiply
    313,243.64x = 432,276.05 × 177,275.12
  4. Step 4: Simplify right side
    313,243.64x = 76,631,788,636.88
  5. Step 5: Solve for x
    x = 76,631,788,636.88/313,243.64
  6. Step 6: Final answer
    x = 244,639.57

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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.