Home / 149,230.10-205,948.20-83,824.22

Finding the Fourth Proportional to 149,230.10, 205,948.20 and 83,824.22

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Solution

The fourth proportional to 149,230.10, 205,948.20 and 83,824.22 is: 115,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,230.10 : 205,948.20 = 83,824.22 : x
  2. Step 2: Convert to fraction form
    149,230.10/205,948.20 = 83,824.22/x
  3. Step 3: Cross multiply
    149,230.10x = 205,948.20 × 83,824.22
  4. Step 4: Simplify right side
    149,230.10x = 17,263,447,225.40
  5. Step 5: Solve for x
    x = 17,263,447,225.40/149,230.10
  6. Step 6: Final answer
    x = 115,683.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.