Home / 104,573.95-144,205.84-89,516.45

Finding the Fourth Proportional to 104,573.95, 144,205.84 and 89,516.45

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Solution

The fourth proportional to 104,573.95, 144,205.84 and 89,516.45 is: 123,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,573.95 : 144,205.84 = 89,516.45 : x
  2. Step 2: Convert to fraction form
    104,573.95/144,205.84 = 89,516.45/x
  3. Step 3: Cross multiply
    104,573.95x = 144,205.84 × 89,516.45
  4. Step 4: Simplify right side
    104,573.95x = 12,908,794,866.07
  5. Step 5: Solve for x
    x = 12,908,794,866.07/104,573.95
  6. Step 6: Final answer
    x = 123,441.78

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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.