Home / 238,045.10-328,512.50-142,533.54

Finding the Fourth Proportional to 238,045.10, 328,512.50 and 142,533.54

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Solution

The fourth proportional to 238,045.10, 328,512.50 and 142,533.54 is: 196,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,045.10 : 328,512.50 = 142,533.54 : x
  2. Step 2: Convert to fraction form
    238,045.10/328,512.50 = 142,533.54/x
  3. Step 3: Cross multiply
    238,045.10x = 328,512.50 × 142,533.54
  4. Step 4: Simplify right side
    238,045.10x = 46,824,049,559.25
  5. Step 5: Solve for x
    x = 46,824,049,559.25/238,045.10
  6. Step 6: Final answer
    x = 196,702.43

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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.