Home / 190,450.77-285,446.84-70,412.01

Finding the Fourth Proportional to 190,450.77, 285,446.84 and 70,412.01

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Solution

The fourth proportional to 190,450.77, 285,446.84 and 70,412.01 is: 105,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,450.77 : 285,446.84 = 70,412.01 : x
  2. Step 2: Convert to fraction form
    190,450.77/285,446.84 = 70,412.01/x
  3. Step 3: Cross multiply
    190,450.77x = 285,446.84 × 70,412.01
  4. Step 4: Simplify right side
    190,450.77x = 20,098,885,400.49
  5. Step 5: Solve for x
    x = 20,098,885,400.49/190,450.77
  6. Step 6: Final answer
    x = 105,533.23

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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.