Home / 119,108.02-164,371.12-65,395.30

Finding the Fourth Proportional to 119,108.02, 164,371.12 and 65,395.30

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Solution

The fourth proportional to 119,108.02, 164,371.12 and 65,395.30 is: 90,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,108.02 : 164,371.12 = 65,395.30 : x
  2. Step 2: Convert to fraction form
    119,108.02/164,371.12 = 65,395.30/x
  3. Step 3: Cross multiply
    119,108.02x = 164,371.12 × 65,395.30
  4. Step 4: Simplify right side
    119,108.02x = 10,749,098,703.74
  5. Step 5: Solve for x
    x = 10,749,098,703.74/119,108.02
  6. Step 6: Final answer
    x = 90,246.64

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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.