Home / 141,461.64-195,258.47-84,141.32

Finding the Fourth Proportional to 141,461.64, 195,258.47 and 84,141.32

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Solution

The fourth proportional to 141,461.64, 195,258.47 and 84,141.32 is: 116,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,461.64 : 195,258.47 = 84,141.32 : x
  2. Step 2: Convert to fraction form
    141,461.64/195,258.47 = 84,141.32/x
  3. Step 3: Cross multiply
    141,461.64x = 195,258.47 × 84,141.32
  4. Step 4: Simplify right side
    141,461.64x = 16,429,304,009.98
  5. Step 5: Solve for x
    x = 16,429,304,009.98/141,461.64
  6. Step 6: Final answer
    x = 116,139.64

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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.