Home / 119,444.22-164,829.53-65,729.21

Finding the Fourth Proportional to 119,444.22, 164,829.53 and 65,729.21

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Solution

The fourth proportional to 119,444.22, 164,829.53 and 65,729.21 is: 90,704.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,444.22 : 164,829.53 = 65,729.21 : x
  2. Step 2: Convert to fraction form
    119,444.22/164,829.53 = 65,729.21/x
  3. Step 3: Cross multiply
    119,444.22x = 164,829.53 × 65,729.21
  4. Step 4: Simplify right side
    119,444.22x = 10,834,114,131.75
  5. Step 5: Solve for x
    x = 10,834,114,131.75/119,444.22
  6. Step 6: Final answer
    x = 90,704.38

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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.