Home / 112,283.25-154,944.30-61,285.87

Finding the Fourth Proportional to 112,283.25, 154,944.30 and 61,285.87

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Solution

The fourth proportional to 112,283.25, 154,944.30 and 61,285.87 is: 84,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,283.25 : 154,944.30 = 61,285.87 : x
  2. Step 2: Convert to fraction form
    112,283.25/154,944.30 = 61,285.87/x
  3. Step 3: Cross multiply
    112,283.25x = 154,944.30 × 61,285.87
  4. Step 4: Simplify right side
    112,283.25x = 9,495,896,227.04
  5. Step 5: Solve for x
    x = 9,495,896,227.04/112,283.25
  6. Step 6: Final answer
    x = 84,570.91

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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.