Home / 164,897.10-227,771.55-121,963.86

Finding the Fourth Proportional to 164,897.10, 227,771.55 and 121,963.86

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Solution

The fourth proportional to 164,897.10, 227,771.55 and 121,963.86 is: 168,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,897.10 : 227,771.55 = 121,963.86 : x
  2. Step 2: Convert to fraction form
    164,897.10/227,771.55 = 121,963.86/x
  3. Step 3: Cross multiply
    164,897.10x = 227,771.55 × 121,963.86
  4. Step 4: Simplify right side
    164,897.10x = 27,779,897,436.18
  5. Step 5: Solve for x
    x = 27,779,897,436.18/164,897.10
  6. Step 6: Final answer
    x = 168,468.08

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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.