Home / 139,902.02-193,059.17-76,238.46

Finding the Fourth Proportional to 139,902.02, 193,059.17 and 76,238.46

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Solution

The fourth proportional to 139,902.02, 193,059.17 and 76,238.46 is: 105,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,902.02 : 193,059.17 = 76,238.46 : x
  2. Step 2: Convert to fraction form
    139,902.02/193,059.17 = 76,238.46/x
  3. Step 3: Cross multiply
    139,902.02x = 193,059.17 × 76,238.46
  4. Step 4: Simplify right side
    139,902.02x = 14,718,533,809.68
  5. Step 5: Solve for x
    x = 14,718,533,809.68/139,902.02
  6. Step 6: Final answer
    x = 105,206.01

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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.