Home / 190,171.04-285,401.18-70,341.37

Finding the Fourth Proportional to 190,171.04, 285,401.18 and 70,341.37

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Solution

The fourth proportional to 190,171.04, 285,401.18 and 70,341.37 is: 105,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,171.04 : 285,401.18 = 70,341.37 : x
  2. Step 2: Convert to fraction form
    190,171.04/285,401.18 = 70,341.37/x
  3. Step 3: Cross multiply
    190,171.04x = 285,401.18 × 70,341.37
  4. Step 4: Simplify right side
    190,171.04x = 20,075,508,222.10
  5. Step 5: Solve for x
    x = 20,075,508,222.10/190,171.04
  6. Step 6: Final answer
    x = 105,565.54

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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.