Home / 211,153.30-291,390.11-114,354.93

Finding the Fourth Proportional to 211,153.30, 291,390.11 and 114,354.93

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Solution

The fourth proportional to 211,153.30, 291,390.11 and 114,354.93 is: 157,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,153.30 : 291,390.11 = 114,354.93 : x
  2. Step 2: Convert to fraction form
    211,153.30/291,390.11 = 114,354.93/x
  3. Step 3: Cross multiply
    211,153.30x = 291,390.11 × 114,354.93
  4. Step 4: Simplify right side
    211,153.30x = 33,321,893,603.02
  5. Step 5: Solve for x
    x = 33,321,893,603.02/211,153.30
  6. Step 6: Final answer
    x = 157,809.01

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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.