Home / 234,147.34-322,903.99-155,426.04

Finding the Fourth Proportional to 234,147.34, 322,903.99 and 155,426.04

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Solution

The fourth proportional to 234,147.34, 322,903.99 and 155,426.04 is: 214,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,147.34 : 322,903.99 = 155,426.04 : x
  2. Step 2: Convert to fraction form
    234,147.34/322,903.99 = 155,426.04/x
  3. Step 3: Cross multiply
    234,147.34x = 322,903.99 × 155,426.04
  4. Step 4: Simplify right side
    234,147.34x = 50,187,688,465.90
  5. Step 5: Solve for x
    x = 50,187,688,465.90/234,147.34
  6. Step 6: Final answer
    x = 214,342.34

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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.