Home / 211,955.06-292,498.49-115,159.25

Finding the Fourth Proportional to 211,955.06, 292,498.49 and 115,159.25

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Solution

The fourth proportional to 211,955.06, 292,498.49 and 115,159.25 is: 158,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,955.06 : 292,498.49 = 115,159.25 : x
  2. Step 2: Convert to fraction form
    211,955.06/292,498.49 = 115,159.25/x
  3. Step 3: Cross multiply
    211,955.06x = 292,498.49 × 115,159.25
  4. Step 4: Simplify right side
    211,955.06x = 33,683,907,753.68
  5. Step 5: Solve for x
    x = 33,683,907,753.68/211,955.06
  6. Step 6: Final answer
    x = 158,920.04

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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.