Home / 190,585.47-285,870.02-64,217.37

Finding the Fourth Proportional to 190,585.47, 285,870.02 and 64,217.37

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Solution

The fourth proportional to 190,585.47, 285,870.02 and 64,217.37 is: 96,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,585.47 : 285,870.02 = 64,217.37 : x
  2. Step 2: Convert to fraction form
    190,585.47/285,870.02 = 64,217.37/x
  3. Step 3: Cross multiply
    190,585.47x = 285,870.02 × 64,217.37
  4. Step 4: Simplify right side
    190,585.47x = 18,357,820,525.16
  5. Step 5: Solve for x
    x = 18,357,820,525.16/190,585.47
  6. Step 6: Final answer
    x = 96,323.30

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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.