Home / 112,270.80-154,933.52-61,969.76

Finding the Fourth Proportional to 112,270.80, 154,933.52 and 61,969.76

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Solution

The fourth proportional to 112,270.80, 154,933.52 and 61,969.76 is: 85,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,270.80 : 154,933.52 = 61,969.76 : x
  2. Step 2: Convert to fraction form
    112,270.80/154,933.52 = 61,969.76/x
  3. Step 3: Cross multiply
    112,270.80x = 154,933.52 × 61,969.76
  4. Step 4: Simplify right side
    112,270.80x = 9,601,193,050.36
  5. Step 5: Solve for x
    x = 9,601,193,050.36/112,270.80
  6. Step 6: Final answer
    x = 85,518.17

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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.