Home / 211,680.63-292,122.72-116,196.21

Finding the Fourth Proportional to 211,680.63, 292,122.72 and 116,196.21

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Solution

The fourth proportional to 211,680.63, 292,122.72 and 116,196.21 is: 160,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,680.63 : 292,122.72 = 116,196.21 : x
  2. Step 2: Convert to fraction form
    211,680.63/292,122.72 = 116,196.21/x
  3. Step 3: Cross multiply
    211,680.63x = 292,122.72 × 116,196.21
  4. Step 4: Simplify right side
    211,680.63x = 33,943,552,918.89
  5. Step 5: Solve for x
    x = 33,943,552,918.89/211,680.63
  6. Step 6: Final answer
    x = 160,352.66

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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.