Home / 119,057.02-164,298.20-65,342.92

Finding the Fourth Proportional to 119,057.02, 164,298.20 and 65,342.92

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Solution

The fourth proportional to 119,057.02, 164,298.20 and 65,342.92 is: 90,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,057.02 : 164,298.20 = 65,342.92 : x
  2. Step 2: Convert to fraction form
    119,057.02/164,298.20 = 65,342.92/x
  3. Step 3: Cross multiply
    119,057.02x = 164,298.20 × 65,342.92
  4. Step 4: Simplify right side
    119,057.02x = 10,735,724,138.74
  5. Step 5: Solve for x
    x = 10,735,724,138.74/119,057.02
  6. Step 6: Final answer
    x = 90,172.96

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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.