Home / 190,419.24-285,529.02-65,730.60

Finding the Fourth Proportional to 190,419.24, 285,529.02 and 65,730.60

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Solution

The fourth proportional to 190,419.24, 285,529.02 and 65,730.60 is: 98,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,419.24 : 285,529.02 = 65,730.60 : x
  2. Step 2: Convert to fraction form
    190,419.24/285,529.02 = 65,730.60/x
  3. Step 3: Cross multiply
    190,419.24x = 285,529.02 × 65,730.60
  4. Step 4: Simplify right side
    190,419.24x = 18,767,993,802.01
  5. Step 5: Solve for x
    x = 18,767,993,802.01/190,419.24
  6. Step 6: Final answer
    x = 98,561.44

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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.