Home / 211,047.60-291,236.76-115,552.56

Finding the Fourth Proportional to 211,047.60, 291,236.76 and 115,552.56

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Solution

The fourth proportional to 211,047.60, 291,236.76 and 115,552.56 is: 159,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,047.60 : 291,236.76 = 115,552.56 : x
  2. Step 2: Convert to fraction form
    211,047.60/291,236.76 = 115,552.56/x
  3. Step 3: Cross multiply
    211,047.60x = 291,236.76 × 115,552.56
  4. Step 4: Simplify right side
    211,047.60x = 33,653,153,184.11
  5. Step 5: Solve for x
    x = 33,653,153,184.11/211,047.60
  6. Step 6: Final answer
    x = 159,457.64

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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.