Home / 127,646.96-191,381.78-56,530.85

Finding the Fourth Proportional to 127,646.96, 191,381.78 and 56,530.85

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Solution

The fourth proportional to 127,646.96, 191,381.78 and 56,530.85 is: 84,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,646.96 : 191,381.78 = 56,530.85 : x
  2. Step 2: Convert to fraction form
    127,646.96/191,381.78 = 56,530.85/x
  3. Step 3: Cross multiply
    127,646.96x = 191,381.78 × 56,530.85
  4. Step 4: Simplify right side
    127,646.96x = 10,818,973,723.34
  5. Step 5: Solve for x
    x = 10,818,973,723.34/127,646.96
  6. Step 6: Final answer
    x = 84,757.00

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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.