Home / 211,833.12-292,328.57-115,036.13

Finding the Fourth Proportional to 211,833.12, 292,328.57 and 115,036.13

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Solution

The fourth proportional to 211,833.12, 292,328.57 and 115,036.13 is: 158,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,833.12 : 292,328.57 = 115,036.13 : x
  2. Step 2: Convert to fraction form
    211,833.12/292,328.57 = 115,036.13/x
  3. Step 3: Cross multiply
    211,833.12x = 292,328.57 × 115,036.13
  4. Step 4: Simplify right side
    211,833.12x = 33,628,345,344.41
  5. Step 5: Solve for x
    x = 33,628,345,344.41/211,833.12
  6. Step 6: Final answer
    x = 158,749.24

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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.