Home / 127,215.88-190,647.27-56,031.77

Finding the Fourth Proportional to 127,215.88, 190,647.27 and 56,031.77

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Solution

The fourth proportional to 127,215.88, 190,647.27 and 56,031.77 is: 83,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,215.88 : 190,647.27 = 56,031.77 : x
  2. Step 2: Convert to fraction form
    127,215.88/190,647.27 = 56,031.77/x
  3. Step 3: Cross multiply
    127,215.88x = 190,647.27 × 56,031.77
  4. Step 4: Simplify right side
    127,215.88x = 10,682,304,460.39
  5. Step 5: Solve for x
    x = 10,682,304,460.39/127,215.88
  6. Step 6: Final answer
    x = 83,969.90

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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.