Home / 102,197.32-141,032.28-57,485.32

Finding the Fourth Proportional to 102,197.32, 141,032.28 and 57,485.32

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Solution

The fourth proportional to 102,197.32, 141,032.28 and 57,485.32 is: 79,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,197.32 : 141,032.28 = 57,485.32 : x
  2. Step 2: Convert to fraction form
    102,197.32/141,032.28 = 57,485.32/x
  3. Step 3: Cross multiply
    102,197.32x = 141,032.28 × 57,485.32
  4. Step 4: Simplify right side
    102,197.32x = 8,107,285,746.13
  5. Step 5: Solve for x
    x = 8,107,285,746.13/102,197.32
  6. Step 6: Final answer
    x = 79,329.73

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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.