Home / 211,523.54-316,862.28-127,237.10

Finding the Fourth Proportional to 211,523.54, 316,862.28 and 127,237.10

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Solution

The fourth proportional to 211,523.54, 316,862.28 and 127,237.10 is: 190,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,523.54 : 316,862.28 = 127,237.10 : x
  2. Step 2: Convert to fraction form
    211,523.54/316,862.28 = 127,237.10/x
  3. Step 3: Cross multiply
    211,523.54x = 316,862.28 × 127,237.10
  4. Step 4: Simplify right side
    211,523.54x = 40,316,637,606.59
  5. Step 5: Solve for x
    x = 40,316,637,606.59/211,523.54
  6. Step 6: Final answer
    x = 190,601.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.