Home / 211,192.29-291,211.88-134,590.11

Finding the Fourth Proportional to 211,192.29, 291,211.88 and 134,590.11

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Solution

The fourth proportional to 211,192.29, 291,211.88 and 134,590.11 is: 185,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,192.29 : 291,211.88 = 134,590.11 : x
  2. Step 2: Convert to fraction form
    211,192.29/291,211.88 = 134,590.11/x
  3. Step 3: Cross multiply
    211,192.29x = 291,211.88 × 134,590.11
  4. Step 4: Simplify right side
    211,192.29x = 39,194,239,017.59
  5. Step 5: Solve for x
    x = 39,194,239,017.59/211,192.29
  6. Step 6: Final answer
    x = 185,585.56

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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.