Home / 103,683.70-155,233.95-93,186.10

Finding the Fourth Proportional to 103,683.70, 155,233.95 and 93,186.10

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Solution

The fourth proportional to 103,683.70, 155,233.95 and 93,186.10 is: 139,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683.70 : 155,233.95 = 93,186.10 : x
  2. Step 2: Convert to fraction form
    103,683.70/155,233.95 = 93,186.10/x
  3. Step 3: Cross multiply
    103,683.70x = 155,233.95 × 93,186.10
  4. Step 4: Simplify right side
    103,683.70x = 14,465,646,388.10
  5. Step 5: Solve for x
    x = 14,465,646,388.10/103,683.70
  6. Step 6: Final answer
    x = 139,517.07

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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.