Home / 306,057.10-459,085.65-95,716.30

Finding the Fourth Proportional to 306,057.10, 459,085.65 and 95,716.30

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Solution

The fourth proportional to 306,057.10, 459,085.65 and 95,716.30 is: 143,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,057.10 : 459,085.65 = 95,716.30 : x
  2. Step 2: Convert to fraction form
    306,057.10/459,085.65 = 95,716.30/x
  3. Step 3: Cross multiply
    306,057.10x = 459,085.65 × 95,716.30
  4. Step 4: Simplify right side
    306,057.10x = 43,941,979,801.10
  5. Step 5: Solve for x
    x = 43,941,979,801.10/306,057.10
  6. Step 6: Final answer
    x = 143,574.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.