Home / 147,333.15-203,321.16-83,671.41

Finding the Fourth Proportional to 147,333.15, 203,321.16 and 83,671.41

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Solution

The fourth proportional to 147,333.15, 203,321.16 and 83,671.41 is: 115,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,333.15 : 203,321.16 = 83,671.41 : x
  2. Step 2: Convert to fraction form
    147,333.15/203,321.16 = 83,671.41/x
  3. Step 3: Cross multiply
    147,333.15x = 203,321.16 × 83,671.41
  4. Step 4: Simplify right side
    147,333.15x = 17,012,168,140.04
  5. Step 5: Solve for x
    x = 17,012,168,140.04/147,333.15
  6. Step 6: Final answer
    x = 115,467.35

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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.