Home / 128,026.07-192,059.88-48,070.33

Finding the Fourth Proportional to 128,026.07, 192,059.88 and 48,070.33

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Solution

The fourth proportional to 128,026.07, 192,059.88 and 48,070.33 is: 72,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,026.07 : 192,059.88 = 48,070.33 : x
  2. Step 2: Convert to fraction form
    128,026.07/192,059.88 = 48,070.33/x
  3. Step 3: Cross multiply
    128,026.07x = 192,059.88 × 48,070.33
  4. Step 4: Simplify right side
    128,026.07x = 9,232,381,150.95
  5. Step 5: Solve for x
    x = 9,232,381,150.95/128,026.07
  6. Step 6: Final answer
    x = 72,113.29

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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.