Home / 165,931.02-229,002.35-101,438.01

Finding the Fourth Proportional to 165,931.02, 229,002.35 and 101,438.01

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Solution

The fourth proportional to 165,931.02, 229,002.35 and 101,438.01 is: 139,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,931.02 : 229,002.35 = 101,438.01 : x
  2. Step 2: Convert to fraction form
    165,931.02/229,002.35 = 101,438.01/x
  3. Step 3: Cross multiply
    165,931.02x = 229,002.35 × 101,438.01
  4. Step 4: Simplify right side
    165,931.02x = 23,229,542,162.13
  5. Step 5: Solve for x
    x = 23,229,542,162.13/165,931.02
  6. Step 6: Final answer
    x = 139,995.17

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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.