Home / 190,685.81-286,069.73-64,329.19

Finding the Fourth Proportional to 190,685.81, 286,069.73 and 64,329.19

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Solution

The fourth proportional to 190,685.81, 286,069.73 and 64,329.19 is: 96,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,685.81 : 286,069.73 = 64,329.19 : x
  2. Step 2: Convert to fraction form
    190,685.81/286,069.73 = 64,329.19/x
  3. Step 3: Cross multiply
    190,685.81x = 286,069.73 × 64,329.19
  4. Step 4: Simplify right side
    190,685.81x = 18,402,632,977.60
  5. Step 5: Solve for x
    x = 18,402,632,977.60/190,685.81
  6. Step 6: Final answer
    x = 96,507.61

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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.