Home / 165,143.02-227,814-97,116.68

Finding the Fourth Proportional to 165,143.02, 227,814 and 97,116.68

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Solution

The fourth proportional to 165,143.02, 227,814 and 97,116.68 is: 133,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,143.02 : 227,814 = 97,116.68 : x
  2. Step 2: Convert to fraction form
    165,143.02/227,814 = 97,116.68/x
  3. Step 3: Cross multiply
    165,143.02x = 227,814 × 97,116.68
  4. Step 4: Simplify right side
    165,143.02x = 22,124,539,337.52
  5. Step 5: Solve for x
    x = 22,124,539,337.52/165,143.02
  6. Step 6: Final answer
    x = 133,971.99

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1.5x scale

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.