Home / 211,146.04-291,381.90-115,652.92

Finding the Fourth Proportional to 211,146.04, 291,381.90 and 115,652.92

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Solution

The fourth proportional to 211,146.04, 291,381.90 and 115,652.92 is: 159,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,146.04 : 291,381.90 = 115,652.92 : x
  2. Step 2: Convert to fraction form
    211,146.04/291,381.90 = 115,652.92/x
  3. Step 3: Cross multiply
    211,146.04x = 291,381.90 × 115,652.92
  4. Step 4: Simplify right side
    211,146.04x = 33,699,167,570.15
  5. Step 5: Solve for x
    x = 33,699,167,570.15/211,146.04
  6. Step 6: Final answer
    x = 159,601.23

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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.