Home / 211,325.58-291,631.32-115,834.14

Finding the Fourth Proportional to 211,325.58, 291,631.32 and 115,834.14

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Solution

The fourth proportional to 211,325.58, 291,631.32 and 115,834.14 is: 159,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,325.58 : 291,631.32 = 115,834.14 : x
  2. Step 2: Convert to fraction form
    211,325.58/291,631.32 = 115,834.14/x
  3. Step 3: Cross multiply
    211,325.58x = 291,631.32 × 115,834.14
  4. Step 4: Simplify right side
    211,325.58x = 33,780,863,149.26
  5. Step 5: Solve for x
    x = 33,780,863,149.26/211,325.58
  6. Step 6: Final answer
    x = 159,852.22

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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.