Home / 314,505.17-434,022.30-178,543.13

Finding the Fourth Proportional to 314,505.17, 434,022.30 and 178,543.13

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Solution

The fourth proportional to 314,505.17, 434,022.30 and 178,543.13 is: 246,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,505.17 : 434,022.30 = 178,543.13 : x
  2. Step 2: Convert to fraction form
    314,505.17/434,022.30 = 178,543.13/x
  3. Step 3: Cross multiply
    314,505.17x = 434,022.30 × 178,543.13
  4. Step 4: Simplify right side
    314,505.17x = 77,491,697,761.69
  5. Step 5: Solve for x
    x = 77,491,697,761.69/314,505.17
  6. Step 6: Final answer
    x = 246,392.45

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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.