Home / 140,533.02-210,746.57-45,738.36

Finding the Fourth Proportional to 140,533.02, 210,746.57 and 45,738.36

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Solution

The fourth proportional to 140,533.02, 210,746.57 and 45,738.36 is: 68,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,533.02 : 210,746.57 = 45,738.36 : x
  2. Step 2: Convert to fraction form
    140,533.02/210,746.57 = 45,738.36/x
  3. Step 3: Cross multiply
    140,533.02x = 210,746.57 × 45,738.36
  4. Step 4: Simplify right side
    140,533.02x = 9,639,202,258.73
  5. Step 5: Solve for x
    x = 9,639,202,258.73/140,533.02
  6. Step 6: Final answer
    x = 68,590.30

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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.