Home / 352,513.74-486,417.64-201,581.58

Finding the Fourth Proportional to 352,513.74, 486,417.64 and 201,581.58

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Solution

The fourth proportional to 352,513.74, 486,417.64 and 201,581.58 is: 278,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,513.74 : 486,417.64 = 201,581.58 : x
  2. Step 2: Convert to fraction form
    352,513.74/486,417.64 = 201,581.58/x
  3. Step 3: Cross multiply
    352,513.74x = 486,417.64 × 201,581.58
  4. Step 4: Simplify right side
    352,513.74x = 98,052,837,731.18
  5. Step 5: Solve for x
    x = 98,052,837,731.18/352,513.74
  6. Step 6: Final answer
    x = 278,153.23

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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.