Home / 211,618.44-291,956.56-139,060.24

Finding the Fourth Proportional to 211,618.44, 291,956.56 and 139,060.24

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Solution

The fourth proportional to 211,618.44, 291,956.56 and 139,060.24 is: 191,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,618.44 : 291,956.56 = 139,060.24 : x
  2. Step 2: Convert to fraction form
    211,618.44/291,956.56 = 139,060.24/x
  3. Step 3: Cross multiply
    211,618.44x = 291,956.56 × 139,060.24
  4. Step 4: Simplify right side
    211,618.44x = 40,599,549,303.17
  5. Step 5: Solve for x
    x = 40,599,549,303.17/211,618.44
  6. Step 6: Final answer
    x = 191,852.61

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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.