Home / 127,682.28-191,434.56-56,566.32

Finding the Fourth Proportional to 127,682.28, 191,434.56 and 56,566.32

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Solution

The fourth proportional to 127,682.28, 191,434.56 and 56,566.32 is: 84,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,682.28 : 191,434.56 = 56,566.32 : x
  2. Step 2: Convert to fraction form
    127,682.28/191,434.56 = 56,566.32/x
  3. Step 3: Cross multiply
    127,682.28x = 191,434.56 × 56,566.32
  4. Step 4: Simplify right side
    127,682.28x = 10,828,748,580.02
  5. Step 5: Solve for x
    x = 10,828,748,580.02/127,682.28
  6. Step 6: Final answer
    x = 84,810.11

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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.