Home / 146,206.63-219,330.02-51,415.12

Finding the Fourth Proportional to 146,206.63, 219,330.02 and 51,415.12

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Solution

The fourth proportional to 146,206.63, 219,330.02 and 51,415.12 is: 77,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,206.63 : 219,330.02 = 51,415.12 : x
  2. Step 2: Convert to fraction form
    146,206.63/219,330.02 = 51,415.12/x
  3. Step 3: Cross multiply
    146,206.63x = 219,330.02 × 51,415.12
  4. Step 4: Simplify right side
    146,206.63x = 11,276,879,297.90
  5. Step 5: Solve for x
    x = 11,276,879,297.90/146,206.63
  6. Step 6: Final answer
    x = 77,129.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.