Home / 228,023.12-314,667.24-124,655.78

Finding the Fourth Proportional to 228,023.12, 314,667.24 and 124,655.78

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Solution

The fourth proportional to 228,023.12, 314,667.24 and 124,655.78 is: 172,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,023.12 : 314,667.24 = 124,655.78 : x
  2. Step 2: Convert to fraction form
    228,023.12/314,667.24 = 124,655.78/x
  3. Step 3: Cross multiply
    228,023.12x = 314,667.24 × 124,655.78
  4. Step 4: Simplify right side
    228,023.12x = 39,225,090,242.65
  5. Step 5: Solve for x
    x = 39,225,090,242.65/228,023.12
  6. Step 6: Final answer
    x = 172,022.43

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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.