Home / 354,947.16-489,909.98-234,110.04

Finding the Fourth Proportional to 354,947.16, 489,909.98 and 234,110.04

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Solution

The fourth proportional to 354,947.16, 489,909.98 and 234,110.04 is: 323,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,947.16 : 489,909.98 = 234,110.04 : x
  2. Step 2: Convert to fraction form
    354,947.16/489,909.98 = 234,110.04/x
  3. Step 3: Cross multiply
    354,947.16x = 489,909.98 × 234,110.04
  4. Step 4: Simplify right side
    354,947.16x = 114,692,845,014.20
  5. Step 5: Solve for x
    x = 114,692,845,014.20/354,947.16
  6. Step 6: Final answer
    x = 323,126.53

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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.