Home / 211,036.95-291,219.42-115,525.17

Finding the Fourth Proportional to 211,036.95, 291,219.42 and 115,525.17

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Solution

The fourth proportional to 211,036.95, 291,219.42 and 115,525.17 is: 159,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,036.95 : 291,219.42 = 115,525.17 : x
  2. Step 2: Convert to fraction form
    211,036.95/291,219.42 = 115,525.17/x
  3. Step 3: Cross multiply
    211,036.95x = 291,219.42 × 115,525.17
  4. Step 4: Simplify right side
    211,036.95x = 33,643,173,002.80
  5. Step 5: Solve for x
    x = 33,643,173,002.80/211,036.95
  6. Step 6: Final answer
    x = 159,418.40

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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.