Home / 211,383.56-291,707.76-115,888.60

Finding the Fourth Proportional to 211,383.56, 291,707.76 and 115,888.60

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Solution

The fourth proportional to 211,383.56, 291,707.76 and 115,888.60 is: 159,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,383.56 : 291,707.76 = 115,888.60 : x
  2. Step 2: Convert to fraction form
    211,383.56/291,707.76 = 115,888.60/x
  3. Step 3: Cross multiply
    211,383.56x = 291,707.76 × 115,888.60
  4. Step 4: Simplify right side
    211,383.56x = 33,805,603,915.54
  5. Step 5: Solve for x
    x = 33,805,603,915.54/211,383.56
  6. Step 6: Final answer
    x = 159,925.42

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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.