Home / 141,490.08-195,093-112,787.52

Finding the Fourth Proportional to 141,490.08, 195,093 and 112,787.52

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Solution

The fourth proportional to 141,490.08, 195,093 and 112,787.52 is: 155,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,490.08 : 195,093 = 112,787.52 : x
  2. Step 2: Convert to fraction form
    141,490.08/195,093 = 112,787.52/x
  3. Step 3: Cross multiply
    141,490.08x = 195,093 × 112,787.52
  4. Step 4: Simplify right side
    141,490.08x = 22,004,055,639.36
  5. Step 5: Solve for x
    x = 22,004,055,639.36/141,490.08
  6. Step 6: Final answer
    x = 155,516.60

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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.