Home / 132,445.04-198,700.68-43,703.60

Finding the Fourth Proportional to 132,445.04, 198,700.68 and 43,703.60

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Solution

The fourth proportional to 132,445.04, 198,700.68 and 43,703.60 is: 65,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,445.04 : 198,700.68 = 43,703.60 : x
  2. Step 2: Convert to fraction form
    132,445.04/198,700.68 = 43,703.60/x
  3. Step 3: Cross multiply
    132,445.04x = 198,700.68 × 43,703.60
  4. Step 4: Simplify right side
    132,445.04x = 8,683,935,038.45
  5. Step 5: Solve for x
    x = 8,683,935,038.45/132,445.04
  6. Step 6: Final answer
    x = 65,566.33

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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.