Home / 112,206.20-154,829.20-64,459.52

Finding the Fourth Proportional to 112,206.20, 154,829.20 and 64,459.52

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Solution

The fourth proportional to 112,206.20, 154,829.20 and 64,459.52 is: 88,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206.20 : 154,829.20 = 64,459.52 : x
  2. Step 2: Convert to fraction form
    112,206.20/154,829.20 = 64,459.52/x
  3. Step 3: Cross multiply
    112,206.20x = 154,829.20 × 64,459.52
  4. Step 4: Simplify right side
    112,206.20x = 9,980,215,913.98
  5. Step 5: Solve for x
    x = 9,980,215,913.98/112,206.20
  6. Step 6: Final answer
    x = 88,945.32

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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.