Home / 189,896.20-262,170.47-118,373.13

Finding the Fourth Proportional to 189,896.20, 262,170.47 and 118,373.13

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Solution

The fourth proportional to 189,896.20, 262,170.47 and 118,373.13 is: 163,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,896.20 : 262,170.47 = 118,373.13 : x
  2. Step 2: Convert to fraction form
    189,896.20/262,170.47 = 118,373.13/x
  3. Step 3: Cross multiply
    189,896.20x = 262,170.47 × 118,373.13
  4. Step 4: Simplify right side
    189,896.20x = 31,033,939,423.40
  5. Step 5: Solve for x
    x = 31,033,939,423.40/189,896.20
  6. Step 6: Final answer
    x = 163,425.81

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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.