Home / 161,727.30-242,590.95-127,901.70

Finding the Fourth Proportional to 161,727.30, 242,590.95 and 127,901.70

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Solution

The fourth proportional to 161,727.30, 242,590.95 and 127,901.70 is: 191,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,727.30 : 242,590.95 = 127,901.70 : x
  2. Step 2: Convert to fraction form
    161,727.30/242,590.95 = 127,901.70/x
  3. Step 3: Cross multiply
    161,727.30x = 242,590.95 × 127,901.70
  4. Step 4: Simplify right side
    161,727.30x = 31,027,794,909.62
  5. Step 5: Solve for x
    x = 31,027,794,909.62/161,727.30
  6. Step 6: Final answer
    x = 191,852.55

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1.5x scale

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.