Home / 354,946.71-489,822.75-193,801.26

Finding the Fourth Proportional to 354,946.71, 489,822.75 and 193,801.26

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Solution

The fourth proportional to 354,946.71, 489,822.75 and 193,801.26 is: 267,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,946.71 : 489,822.75 = 193,801.26 : x
  2. Step 2: Convert to fraction form
    354,946.71/489,822.75 = 193,801.26/x
  3. Step 3: Cross multiply
    354,946.71x = 489,822.75 × 193,801.26
  4. Step 4: Simplify right side
    354,946.71x = 94,928,266,126.67
  5. Step 5: Solve for x
    x = 94,928,266,126.67/354,946.71
  6. Step 6: Final answer
    x = 267,443.71

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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.