Home / 228,344.76-315,127.98-127,725.24

Finding the Fourth Proportional to 228,344.76, 315,127.98 and 127,725.24

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Solution

The fourth proportional to 228,344.76, 315,127.98 and 127,725.24 is: 176,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,344.76 : 315,127.98 = 127,725.24 : x
  2. Step 2: Convert to fraction form
    228,344.76/315,127.98 = 127,725.24/x
  3. Step 3: Cross multiply
    228,344.76x = 315,127.98 × 127,725.24
  4. Step 4: Simplify right side
    228,344.76x = 40,249,796,876.22
  5. Step 5: Solve for x
    x = 40,249,796,876.22/228,344.76
  6. Step 6: Final answer
    x = 176,267.66

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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.