Home / 112,947.06-169,194.72-67,943.61

Finding the Fourth Proportional to 112,947.06, 169,194.72 and 67,943.61

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Solution

The fourth proportional to 112,947.06, 169,194.72 and 67,943.61 is: 101,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,947.06 : 169,194.72 = 67,943.61 : x
  2. Step 2: Convert to fraction form
    112,947.06/169,194.72 = 67,943.61/x
  3. Step 3: Cross multiply
    112,947.06x = 169,194.72 × 67,943.61
  4. Step 4: Simplify right side
    112,947.06x = 11,495,700,069.74
  5. Step 5: Solve for x
    x = 11,495,700,069.74/112,947.06
  6. Step 6: Final answer
    x = 101,779.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.