Home / 132,307.48-198,464.46-38,816.20

Finding the Fourth Proportional to 132,307.48, 198,464.46 and 38,816.20

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Solution

The fourth proportional to 132,307.48, 198,464.46 and 38,816.20 is: 58,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,307.48 : 198,464.46 = 38,816.20 : x
  2. Step 2: Convert to fraction form
    132,307.48/198,464.46 = 38,816.20/x
  3. Step 3: Cross multiply
    132,307.48x = 198,464.46 × 38,816.20
  4. Step 4: Simplify right side
    132,307.48x = 7,703,636,172.25
  5. Step 5: Solve for x
    x = 7,703,636,172.25/132,307.48
  6. Step 6: Final answer
    x = 58,225.25

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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.