Home / 211,155.77-291,392.67-114,358.04

Finding the Fourth Proportional to 211,155.77, 291,392.67 and 114,358.04

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Solution

The fourth proportional to 211,155.77, 291,392.67 and 114,358.04 is: 157,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,155.77 : 291,392.67 = 114,358.04 : x
  2. Step 2: Convert to fraction form
    211,155.77/291,392.67 = 114,358.04/x
  3. Step 3: Cross multiply
    211,155.77x = 291,392.67 × 114,358.04
  4. Step 4: Simplify right side
    211,155.77x = 33,323,094,676.17
  5. Step 5: Solve for x
    x = 33,323,094,676.17/211,155.77
  6. Step 6: Final answer
    x = 157,812.85

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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.