Home / 211,511.28-291,884.04-116,017.32

Finding the Fourth Proportional to 211,511.28, 291,884.04 and 116,017.32

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Solution

The fourth proportional to 211,511.28, 291,884.04 and 116,017.32 is: 160,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,511.28 : 291,884.04 = 116,017.32 : x
  2. Step 2: Convert to fraction form
    211,511.28/291,884.04 = 116,017.32/x
  3. Step 3: Cross multiply
    211,511.28x = 291,884.04 × 116,017.32
  4. Step 4: Simplify right side
    211,511.28x = 33,863,604,071.57
  5. Step 5: Solve for x
    x = 33,863,604,071.57/211,511.28
  6. Step 6: Final answer
    x = 160,103.06

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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.