Home / 117,683.48-162,440.35-75,242.18

Finding the Fourth Proportional to 117,683.48, 162,440.35 and 75,242.18

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Solution

The fourth proportional to 117,683.48, 162,440.35 and 75,242.18 is: 103,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,683.48 : 162,440.35 = 75,242.18 : x
  2. Step 2: Convert to fraction form
    117,683.48/162,440.35 = 75,242.18/x
  3. Step 3: Cross multiply
    117,683.48x = 162,440.35 × 75,242.18
  4. Step 4: Simplify right side
    117,683.48x = 12,222,365,053.66
  5. Step 5: Solve for x
    x = 12,222,365,053.66/117,683.48
  6. Step 6: Final answer
    x = 103,857.96

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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.