Home / 243,977.81-336,897.18-153,485.22

Finding the Fourth Proportional to 243,977.81, 336,897.18 and 153,485.22

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Solution

The fourth proportional to 243,977.81, 336,897.18 and 153,485.22 is: 211,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,977.81 : 336,897.18 = 153,485.22 : x
  2. Step 2: Convert to fraction form
    243,977.81/336,897.18 = 153,485.22/x
  3. Step 3: Cross multiply
    243,977.81x = 336,897.18 × 153,485.22
  4. Step 4: Simplify right side
    243,977.81x = 51,708,737,789.68
  5. Step 5: Solve for x
    x = 51,708,737,789.68/243,977.81
  6. Step 6: Final answer
    x = 211,940.33

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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.