Home / 190,236.81-285,374.09-70,325.18

Finding the Fourth Proportional to 190,236.81, 285,374.09 and 70,325.18

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Solution

The fourth proportional to 190,236.81, 285,374.09 and 70,325.18 is: 105,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,236.81 : 285,374.09 = 70,325.18 : x
  2. Step 2: Convert to fraction form
    190,236.81/285,374.09 = 70,325.18/x
  3. Step 3: Cross multiply
    190,236.81x = 285,374.09 × 70,325.18
  4. Step 4: Simplify right side
    190,236.81x = 20,068,982,468.09
  5. Step 5: Solve for x
    x = 20,068,982,468.09/190,236.81
  6. Step 6: Final answer
    x = 105,494.74

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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.