Home / 256,897.04-354,856.77-197,205.31

Finding the Fourth Proportional to 256,897.04, 354,856.77 and 197,205.31

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Solution

The fourth proportional to 256,897.04, 354,856.77 and 197,205.31 is: 272,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,897.04 : 354,856.77 = 197,205.31 : x
  2. Step 2: Convert to fraction form
    256,897.04/354,856.77 = 197,205.31/x
  3. Step 3: Cross multiply
    256,897.04x = 354,856.77 × 197,205.31
  4. Step 4: Simplify right side
    256,897.04x = 69,979,638,446.31
  5. Step 5: Solve for x
    x = 69,979,638,446.31/256,897.04
  6. Step 6: Final answer
    x = 272,403.44

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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.