Home / 211,515.04-291,909.45-116,040.34

Finding the Fourth Proportional to 211,515.04, 291,909.45 and 116,040.34

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Solution

The fourth proportional to 211,515.04, 291,909.45 and 116,040.34 is: 160,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,515.04 : 291,909.45 = 116,040.34 : x
  2. Step 2: Convert to fraction form
    211,515.04/291,909.45 = 116,040.34/x
  3. Step 3: Cross multiply
    211,515.04x = 291,909.45 × 116,040.34
  4. Step 4: Simplify right side
    211,515.04x = 33,873,271,827.21
  5. Step 5: Solve for x
    x = 33,873,271,827.21/211,515.04
  6. Step 6: Final answer
    x = 160,145.93

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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.