Home / 190,492.92-285,681.04-131,706.36

Finding the Fourth Proportional to 190,492.92, 285,681.04 and 131,706.36

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Solution

The fourth proportional to 190,492.92, 285,681.04 and 131,706.36 is: 197,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,492.92 : 285,681.04 = 131,706.36 : x
  2. Step 2: Convert to fraction form
    190,492.92/285,681.04 = 131,706.36/x
  3. Step 3: Cross multiply
    190,492.92x = 285,681.04 × 131,706.36
  4. Step 4: Simplify right side
    190,492.92x = 37,626,009,899.41
  5. Step 5: Solve for x
    x = 37,626,009,899.41/190,492.92
  6. Step 6: Final answer
    x = 197,519.20

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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.