Home / 348,313.23-522,617.78-190,357.15

Finding the Fourth Proportional to 348,313.23, 522,617.78 and 190,357.15

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Solution

The fourth proportional to 348,313.23, 522,617.78 and 190,357.15 is: 285,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,313.23 : 522,617.78 = 190,357.15 : x
  2. Step 2: Convert to fraction form
    348,313.23/522,617.78 = 190,357.15/x
  3. Step 3: Cross multiply
    348,313.23x = 522,617.78 × 190,357.15
  4. Step 4: Simplify right side
    348,313.23x = 99,484,031,140.13
  5. Step 5: Solve for x
    x = 99,484,031,140.13/348,313.23
  6. Step 6: Final answer
    x = 285,616.58

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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.