Home / 186,840.19-257,760.84-130,284.37

Finding the Fourth Proportional to 186,840.19, 257,760.84 and 130,284.37

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Solution

The fourth proportional to 186,840.19, 257,760.84 and 130,284.37 is: 179,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,840.19 : 257,760.84 = 130,284.37 : x
  2. Step 2: Convert to fraction form
    186,840.19/257,760.84 = 130,284.37/x
  3. Step 3: Cross multiply
    186,840.19x = 257,760.84 × 130,284.37
  4. Step 4: Simplify right side
    186,840.19x = 33,582,208,650.07
  5. Step 5: Solve for x
    x = 33,582,208,650.07/186,840.19
  6. Step 6: Final answer
    x = 179,737.61

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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.