Home / 190,626.39-285,941.63-57,507.80

Finding the Fourth Proportional to 190,626.39, 285,941.63 and 57,507.80

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Solution

The fourth proportional to 190,626.39, 285,941.63 and 57,507.80 is: 86,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,626.39 : 285,941.63 = 57,507.80 : x
  2. Step 2: Convert to fraction form
    190,626.39/285,941.63 = 57,507.80/x
  3. Step 3: Cross multiply
    190,626.39x = 285,941.63 × 57,507.80
  4. Step 4: Simplify right side
    190,626.39x = 16,443,874,069.71
  5. Step 5: Solve for x
    x = 16,443,874,069.71/190,626.39
  6. Step 6: Final answer
    x = 86,262.32

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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.