Home / 190,834.74-286,285.08-64,475.88

Finding the Fourth Proportional to 190,834.74, 286,285.08 and 64,475.88

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Solution

The fourth proportional to 190,834.74, 286,285.08 and 64,475.88 is: 96,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,834.74 : 286,285.08 = 64,475.88 : x
  2. Step 2: Convert to fraction form
    190,834.74/286,285.08 = 64,475.88/x
  3. Step 3: Cross multiply
    190,834.74x = 286,285.08 × 64,475.88
  4. Step 4: Simplify right side
    190,834.74x = 18,458,482,463.87
  5. Step 5: Solve for x
    x = 18,458,482,463.87/190,834.74
  6. Step 6: Final answer
    x = 96,724.96

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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.