Home / 211,127.72-291,360.04-115,628.27

Finding the Fourth Proportional to 211,127.72, 291,360.04 and 115,628.27

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Solution

The fourth proportional to 211,127.72, 291,360.04 and 115,628.27 is: 159,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,127.72 : 291,360.04 = 115,628.27 : x
  2. Step 2: Convert to fraction form
    211,127.72/291,360.04 = 115,628.27/x
  3. Step 3: Cross multiply
    211,127.72x = 291,360.04 × 115,628.27
  4. Step 4: Simplify right side
    211,127.72x = 33,689,455,626.46
  5. Step 5: Solve for x
    x = 33,689,455,626.46/211,127.72
  6. Step 6: Final answer
    x = 159,569.08

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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.