Home / 190,557.05-285,847.52-64,186.92

Finding the Fourth Proportional to 190,557.05, 285,847.52 and 64,186.92

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Solution

The fourth proportional to 190,557.05, 285,847.52 and 64,186.92 is: 96,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,557.05 : 285,847.52 = 64,186.92 : x
  2. Step 2: Convert to fraction form
    190,557.05/285,847.52 = 64,186.92/x
  3. Step 3: Cross multiply
    190,557.05x = 285,847.52 × 64,186.92
  4. Step 4: Simplify right side
    190,557.05x = 18,347,671,577.50
  5. Step 5: Solve for x
    x = 18,347,671,577.50/190,557.05
  6. Step 6: Final answer
    x = 96,284.40

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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.