Home / 228,501.76-315,040.04-156,757.24

Finding the Fourth Proportional to 228,501.76, 315,040.04 and 156,757.24

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Solution

The fourth proportional to 228,501.76, 315,040.04 and 156,757.24 is: 216,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,501.76 : 315,040.04 = 156,757.24 : x
  2. Step 2: Convert to fraction form
    228,501.76/315,040.04 = 156,757.24/x
  3. Step 3: Cross multiply
    228,501.76x = 315,040.04 × 156,757.24
  4. Step 4: Simplify right side
    228,501.76x = 49,384,807,159.89
  5. Step 5: Solve for x
    x = 49,384,807,159.89/228,501.76
  6. Step 6: Final answer
    x = 216,124.41

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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.