Home / 128,722.94-193,037.02-44,461.47

Finding the Fourth Proportional to 128,722.94, 193,037.02 and 44,461.47

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Solution

The fourth proportional to 128,722.94, 193,037.02 and 44,461.47 is: 66,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,722.94 : 193,037.02 = 44,461.47 : x
  2. Step 2: Convert to fraction form
    128,722.94/193,037.02 = 44,461.47/x
  3. Step 3: Cross multiply
    128,722.94x = 193,037.02 × 44,461.47
  4. Step 4: Simplify right side
    128,722.94x = 8,582,710,536.45
  5. Step 5: Solve for x
    x = 8,582,710,536.45/128,722.94
  6. Step 6: Final answer
    x = 66,675.84

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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.