Home / 211,688.61-292,120.32-114,890.29

Finding the Fourth Proportional to 211,688.61, 292,120.32 and 114,890.29

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Solution

The fourth proportional to 211,688.61, 292,120.32 and 114,890.29 is: 158,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,688.61 : 292,120.32 = 114,890.29 : x
  2. Step 2: Convert to fraction form
    211,688.61/292,120.32 = 114,890.29/x
  3. Step 3: Cross multiply
    211,688.61x = 292,120.32 × 114,890.29
  4. Step 4: Simplify right side
    211,688.61x = 33,561,787,569.44
  5. Step 5: Solve for x
    x = 33,561,787,569.44/211,688.61
  6. Step 6: Final answer
    x = 158,543.19

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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.