Home / 211,417.75-291,909.59-136,097.47

Finding the Fourth Proportional to 211,417.75, 291,909.59 and 136,097.47

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Solution

The fourth proportional to 211,417.75, 291,909.59 and 136,097.47 is: 187,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,417.75 : 291,909.59 = 136,097.47 : x
  2. Step 2: Convert to fraction form
    211,417.75/291,909.59 = 136,097.47/x
  3. Step 3: Cross multiply
    211,417.75x = 291,909.59 × 136,097.47
  4. Step 4: Simplify right side
    211,417.75x = 39,728,156,667.74
  5. Step 5: Solve for x
    x = 39,728,156,667.74/211,417.75
  6. Step 6: Final answer
    x = 187,913.06

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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.