Home / 119,216.18-164,518.53-65,500.70

Finding the Fourth Proportional to 119,216.18, 164,518.53 and 65,500.70

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Solution

The fourth proportional to 119,216.18, 164,518.53 and 65,500.70 is: 90,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,216.18 : 164,518.53 = 65,500.70 : x
  2. Step 2: Convert to fraction form
    119,216.18/164,518.53 = 65,500.70/x
  3. Step 3: Cross multiply
    119,216.18x = 164,518.53 × 65,500.70
  4. Step 4: Simplify right side
    119,216.18x = 10,776,078,877.97
  5. Step 5: Solve for x
    x = 10,776,078,877.97/119,216.18
  6. Step 6: Final answer
    x = 90,391.08

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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.