Home / 282,128.01-389,336.67-161,271.93

Finding the Fourth Proportional to 282,128.01, 389,336.67 and 161,271.93

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Solution

The fourth proportional to 282,128.01, 389,336.67 and 161,271.93 is: 222,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,128.01 : 389,336.67 = 161,271.93 : x
  2. Step 2: Convert to fraction form
    282,128.01/389,336.67 = 161,271.93/x
  3. Step 3: Cross multiply
    282,128.01x = 389,336.67 × 161,271.93
  4. Step 4: Simplify right side
    282,128.01x = 62,789,076,190.67
  5. Step 5: Solve for x
    x = 62,789,076,190.67/282,128.01
  6. Step 6: Final answer
    x = 222,555.27

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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.