Home / 119,343.02-164,687.73-65,630.30

Finding the Fourth Proportional to 119,343.02, 164,687.73 and 65,630.30

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Solution

The fourth proportional to 119,343.02, 164,687.73 and 65,630.30 is: 90,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,343.02 : 164,687.73 = 65,630.30 : x
  2. Step 2: Convert to fraction form
    119,343.02/164,687.73 = 65,630.30/x
  3. Step 3: Cross multiply
    119,343.02x = 164,687.73 × 65,630.30
  4. Step 4: Simplify right side
    119,343.02x = 10,808,505,126.22
  5. Step 5: Solve for x
    x = 10,808,505,126.22/119,343.02
  6. Step 6: Final answer
    x = 90,566.71

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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.