Home / 211,117.16-291,333.84-115,624.64

Finding the Fourth Proportional to 211,117.16, 291,333.84 and 115,624.64

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Solution

The fourth proportional to 211,117.16, 291,333.84 and 115,624.64 is: 159,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,117.16 : 291,333.84 = 115,624.64 : x
  2. Step 2: Convert to fraction form
    211,117.16/291,333.84 = 115,624.64/x
  3. Step 3: Cross multiply
    211,117.16x = 291,333.84 × 115,624.64
  4. Step 4: Simplify right side
    211,117.16x = 33,685,370,369.82
  5. Step 5: Solve for x
    x = 33,685,370,369.82/211,117.16
  6. Step 6: Final answer
    x = 159,557.71

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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.