Home / 228,476.19-315,301.08-125,119.49

Finding the Fourth Proportional to 228,476.19, 315,301.08 and 125,119.49

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Solution

The fourth proportional to 228,476.19, 315,301.08 and 125,119.49 is: 172,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,476.19 : 315,301.08 = 125,119.49 : x
  2. Step 2: Convert to fraction form
    228,476.19/315,301.08 = 125,119.49/x
  3. Step 3: Cross multiply
    228,476.19x = 315,301.08 × 125,119.49
  4. Step 4: Simplify right side
    228,476.19x = 39,450,308,866.84
  5. Step 5: Solve for x
    x = 39,450,308,866.84/228,476.19
  6. Step 6: Final answer
    x = 172,667.04

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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.