Home / 190,145.81-285,499.08-106,070.24

Finding the Fourth Proportional to 190,145.81, 285,499.08 and 106,070.24

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Solution

The fourth proportional to 190,145.81, 285,499.08 and 106,070.24 is: 159,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,145.81 : 285,499.08 = 106,070.24 : x
  2. Step 2: Convert to fraction form
    190,145.81/285,499.08 = 106,070.24/x
  3. Step 3: Cross multiply
    190,145.81x = 285,499.08 × 106,070.24
  4. Step 4: Simplify right side
    190,145.81x = 30,282,956,649.13
  5. Step 5: Solve for x
    x = 30,282,956,649.13/190,145.81
  6. Step 6: Final answer
    x = 159,261.76

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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.