Home / 191,811.96-264,700.80-106,927.20

Finding the Fourth Proportional to 191,811.96, 264,700.80 and 106,927.20

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Solution

The fourth proportional to 191,811.96, 264,700.80 and 106,927.20 is: 147,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,811.96 : 264,700.80 = 106,927.20 : x
  2. Step 2: Convert to fraction form
    191,811.96/264,700.80 = 106,927.20/x
  3. Step 3: Cross multiply
    191,811.96x = 264,700.80 × 106,927.20
  4. Step 4: Simplify right side
    191,811.96x = 28,303,715,381.76
  5. Step 5: Solve for x
    x = 28,303,715,381.76/191,811.96
  6. Step 6: Final answer
    x = 147,559.70

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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.