Home / 228,543.24-315,390.54-126,566.47

Finding the Fourth Proportional to 228,543.24, 315,390.54 and 126,566.47

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Solution

The fourth proportional to 228,543.24, 315,390.54 and 126,566.47 is: 174,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,543.24 : 315,390.54 = 126,566.47 : x
  2. Step 2: Convert to fraction form
    228,543.24/315,390.54 = 126,566.47/x
  3. Step 3: Cross multiply
    228,543.24x = 315,390.54 × 126,566.47
  4. Step 4: Simplify right side
    228,543.24x = 39,917,867,319.19
  5. Step 5: Solve for x
    x = 39,917,867,319.19/228,543.24
  6. Step 6: Final answer
    x = 174,662.21

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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.