Home / 211,085.35-291,297.93-115,592.07

Finding the Fourth Proportional to 211,085.35, 291,297.93 and 115,592.07

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Solution

The fourth proportional to 211,085.35, 291,297.93 and 115,592.07 is: 159,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,085.35 : 291,297.93 = 115,592.07 : x
  2. Step 2: Convert to fraction form
    211,085.35/291,297.93 = 115,592.07/x
  3. Step 3: Cross multiply
    211,085.35x = 291,297.93 × 115,592.07
  4. Step 4: Simplify right side
    211,085.35x = 33,671,729,258.93
  5. Step 5: Solve for x
    x = 33,671,729,258.93/211,085.35
  6. Step 6: Final answer
    x = 159,517.13

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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.