Home / 104,938.36-144,815.06-57,191.76

Finding the Fourth Proportional to 104,938.36, 144,815.06 and 57,191.76

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Solution

The fourth proportional to 104,938.36, 144,815.06 and 57,191.76 is: 78,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,938.36 : 144,815.06 = 57,191.76 : x
  2. Step 2: Convert to fraction form
    104,938.36/144,815.06 = 57,191.76/x
  3. Step 3: Cross multiply
    104,938.36x = 144,815.06 × 57,191.76
  4. Step 4: Simplify right side
    104,938.36x = 8,282,228,155.91
  5. Step 5: Solve for x
    x = 8,282,228,155.91/104,938.36
  6. Step 6: Final answer
    x = 78,924.70

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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.