Home / 228,327.08-315,092.26-127,725.16

Finding the Fourth Proportional to 228,327.08, 315,092.26 and 127,725.16

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Solution

The fourth proportional to 228,327.08, 315,092.26 and 127,725.16 is: 176,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,327.08 : 315,092.26 = 127,725.16 : x
  2. Step 2: Convert to fraction form
    228,327.08/315,092.26 = 127,725.16/x
  3. Step 3: Cross multiply
    228,327.08x = 315,092.26 × 127,725.16
  4. Step 4: Simplify right side
    228,327.08x = 40,245,209,323.26
  5. Step 5: Solve for x
    x = 40,245,209,323.26/228,327.08
  6. Step 6: Final answer
    x = 176,261.22

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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.