Home / 144,848.52-199,890.32-81,186.30

Finding the Fourth Proportional to 144,848.52, 199,890.32 and 81,186.30

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Solution

The fourth proportional to 144,848.52, 199,890.32 and 81,186.30 is: 112,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,848.52 : 199,890.32 = 81,186.30 : x
  2. Step 2: Convert to fraction form
    144,848.52/199,890.32 = 81,186.30/x
  3. Step 3: Cross multiply
    144,848.52x = 199,890.32 × 81,186.30
  4. Step 4: Simplify right side
    144,848.52x = 16,228,355,486.62
  5. Step 5: Solve for x
    x = 16,228,355,486.62/144,848.52
  6. Step 6: Final answer
    x = 112,036.74

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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.