Home / 191,211.98-263,928.15-127,549.62

Finding the Fourth Proportional to 191,211.98, 263,928.15 and 127,549.62

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Solution

The fourth proportional to 191,211.98, 263,928.15 and 127,549.62 is: 176,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,211.98 : 263,928.15 = 127,549.62 : x
  2. Step 2: Convert to fraction form
    191,211.98/263,928.15 = 127,549.62/x
  3. Step 3: Cross multiply
    191,211.98x = 263,928.15 × 127,549.62
  4. Step 4: Simplify right side
    191,211.98x = 33,663,935,239.80
  5. Step 5: Solve for x
    x = 33,663,935,239.80/191,211.98
  6. Step 6: Final answer
    x = 176,055.58

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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.