Home / 118,317.24-163,231.13-72,916.20

Finding the Fourth Proportional to 118,317.24, 163,231.13 and 72,916.20

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Solution

The fourth proportional to 118,317.24, 163,231.13 and 72,916.20 is: 100,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,317.24 : 163,231.13 = 72,916.20 : x
  2. Step 2: Convert to fraction form
    118,317.24/163,231.13 = 72,916.20/x
  3. Step 3: Cross multiply
    118,317.24x = 163,231.13 × 72,916.20
  4. Step 4: Simplify right side
    118,317.24x = 11,902,193,903.60
  5. Step 5: Solve for x
    x = 11,902,193,903.60/118,317.24
  6. Step 6: Final answer
    x = 100,595.60

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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.