Home / 443,834.60-665,788.54-144,308.36

Finding the Fourth Proportional to 443,834.60, 665,788.54 and 144,308.36

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Solution

The fourth proportional to 443,834.60, 665,788.54 and 144,308.36 is: 216,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,834.60 : 665,788.54 = 144,308.36 : x
  2. Step 2: Convert to fraction form
    443,834.60/665,788.54 = 144,308.36/x
  3. Step 3: Cross multiply
    443,834.60x = 665,788.54 × 144,308.36
  4. Step 4: Simplify right side
    443,834.60x = 96,078,852,314.19
  5. Step 5: Solve for x
    x = 96,078,852,314.19/443,834.60
  6. Step 6: Final answer
    x = 216,474.45

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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.