Home / 127,639.46-191,577.41-64,504.01

Finding the Fourth Proportional to 127,639.46, 191,577.41 and 64,504.01

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Solution

The fourth proportional to 127,639.46, 191,577.41 and 64,504.01 is: 96,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,639.46 : 191,577.41 = 64,504.01 : x
  2. Step 2: Convert to fraction form
    127,639.46/191,577.41 = 64,504.01/x
  3. Step 3: Cross multiply
    127,639.46x = 191,577.41 × 64,504.01
  4. Step 4: Simplify right side
    127,639.46x = 12,357,509,890.01
  5. Step 5: Solve for x
    x = 12,357,509,890.01/127,639.46
  6. Step 6: Final answer
    x = 96,815.75

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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.