Home / 186,840.27-257,761.04-130,284.45

Finding the Fourth Proportional to 186,840.27, 257,761.04 and 130,284.45

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Solution

The fourth proportional to 186,840.27, 257,761.04 and 130,284.45 is: 179,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,840.27 : 257,761.04 = 130,284.45 : x
  2. Step 2: Convert to fraction form
    186,840.27/257,761.04 = 130,284.45/x
  3. Step 3: Cross multiply
    186,840.27x = 257,761.04 × 130,284.45
  4. Step 4: Simplify right side
    186,840.27x = 33,582,254,676.41
  5. Step 5: Solve for x
    x = 33,582,254,676.41/186,840.27
  6. Step 6: Final answer
    x = 179,737.78

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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.