Home / 111,026.40-166,053.60-99,265.20

Finding the Fourth Proportional to 111,026.40, 166,053.60 and 99,265.20

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Solution

The fourth proportional to 111,026.40, 166,053.60 and 99,265.20 is: 148,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,026.40 : 166,053.60 = 99,265.20 : x
  2. Step 2: Convert to fraction form
    111,026.40/166,053.60 = 99,265.20/x
  3. Step 3: Cross multiply
    111,026.40x = 166,053.60 × 99,265.20
  4. Step 4: Simplify right side
    111,026.40x = 16,483,343,814.72
  5. Step 5: Solve for x
    x = 16,483,343,814.72/111,026.40
  6. Step 6: Final answer
    x = 148,463.28

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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.