Home / 128,543.63-192,697.35-44,283.77

Finding the Fourth Proportional to 128,543.63, 192,697.35 and 44,283.77

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Solution

The fourth proportional to 128,543.63, 192,697.35 and 44,283.77 is: 66,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,543.63 : 192,697.35 = 44,283.77 : x
  2. Step 2: Convert to fraction form
    128,543.63/192,697.35 = 44,283.77/x
  3. Step 3: Cross multiply
    128,543.63x = 192,697.35 × 44,283.77
  4. Step 4: Simplify right side
    128,543.63x = 8,533,365,127.01
  5. Step 5: Solve for x
    x = 8,533,365,127.01/128,543.63
  6. Step 6: Final answer
    x = 66,384.97

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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.