Home / 102,305.63-153,458.46-31,228.66

Finding the Fourth Proportional to 102,305.63, 153,458.46 and 31,228.66

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Solution

The fourth proportional to 102,305.63, 153,458.46 and 31,228.66 is: 46,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,305.63 : 153,458.46 = 31,228.66 : x
  2. Step 2: Convert to fraction form
    102,305.63/153,458.46 = 31,228.66/x
  3. Step 3: Cross multiply
    102,305.63x = 153,458.46 × 31,228.66
  4. Step 4: Simplify right side
    102,305.63x = 4,792,302,146.18
  5. Step 5: Solve for x
    x = 4,792,302,146.18/102,305.63
  6. Step 6: Final answer
    x = 46,843.00

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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.