Home / 190,636.76-285,862.50-57,492.20

Finding the Fourth Proportional to 190,636.76, 285,862.50 and 57,492.20

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Solution

The fourth proportional to 190,636.76, 285,862.50 and 57,492.20 is: 86,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,636.76 : 285,862.50 = 57,492.20 : x
  2. Step 2: Convert to fraction form
    190,636.76/285,862.50 = 57,492.20/x
  3. Step 3: Cross multiply
    190,636.76x = 285,862.50 × 57,492.20
  4. Step 4: Simplify right side
    190,636.76x = 16,434,864,022.50
  5. Step 5: Solve for x
    x = 16,434,864,022.50/190,636.76
  6. Step 6: Final answer
    x = 86,210.36

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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.