Home / 211,317.95-291,616.65-115,826.24

Finding the Fourth Proportional to 211,317.95, 291,616.65 and 115,826.24

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Solution

The fourth proportional to 211,317.95, 291,616.65 and 115,826.24 is: 159,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,317.95 : 291,616.65 = 115,826.24 : x
  2. Step 2: Convert to fraction form
    211,317.95/291,616.65 = 115,826.24/x
  3. Step 3: Cross multiply
    211,317.95x = 291,616.65 × 115,826.24
  4. Step 4: Simplify right side
    211,317.95x = 33,776,858,632.81
  5. Step 5: Solve for x
    x = 33,776,858,632.81/211,317.95
  6. Step 6: Final answer
    x = 159,839.05

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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.