Home / 190,863.36-286,258.10-57,712.40

Finding the Fourth Proportional to 190,863.36, 286,258.10 and 57,712.40

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Solution

The fourth proportional to 190,863.36, 286,258.10 and 57,712.40 is: 86,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,863.36 : 286,258.10 = 57,712.40 : x
  2. Step 2: Convert to fraction form
    190,863.36/286,258.10 = 57,712.40/x
  3. Step 3: Cross multiply
    190,863.36x = 286,258.10 × 57,712.40
  4. Step 4: Simplify right side
    190,863.36x = 16,520,641,970.44
  5. Step 5: Solve for x
    x = 16,520,641,970.44/190,863.36
  6. Step 6: Final answer
    x = 86,557.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.