Home / 256,256.03-353,701.71-147,372.26

Finding the Fourth Proportional to 256,256.03, 353,701.71 and 147,372.26

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Solution

The fourth proportional to 256,256.03, 353,701.71 and 147,372.26 is: 203,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,256.03 : 353,701.71 = 147,372.26 : x
  2. Step 2: Convert to fraction form
    256,256.03/353,701.71 = 147,372.26/x
  3. Step 3: Cross multiply
    256,256.03x = 353,701.71 × 147,372.26
  4. Step 4: Simplify right side
    256,256.03x = 52,125,817,863.19
  5. Step 5: Solve for x
    x = 52,125,817,863.19/256,256.03
  6. Step 6: Final answer
    x = 203,413.04

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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.