Home / 190,436.60-285,673.85-70,525.64

Finding the Fourth Proportional to 190,436.60, 285,673.85 and 70,525.64

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Solution

The fourth proportional to 190,436.60, 285,673.85 and 70,525.64 is: 105,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,436.60 : 285,673.85 = 70,525.64 : x
  2. Step 2: Convert to fraction form
    190,436.60/285,673.85 = 70,525.64/x
  3. Step 3: Cross multiply
    190,436.60x = 285,673.85 × 70,525.64
  4. Step 4: Simplify right side
    190,436.60x = 20,147,331,102.51
  5. Step 5: Solve for x
    x = 20,147,331,102.51/190,436.60
  6. Step 6: Final answer
    x = 105,795.48

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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.