Home / 354,726.77-489,533.25-193,592.18

Finding the Fourth Proportional to 354,726.77, 489,533.25 and 193,592.18

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Solution

The fourth proportional to 354,726.77, 489,533.25 and 193,592.18 is: 267,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,726.77 : 489,533.25 = 193,592.18 : x
  2. Step 2: Convert to fraction form
    354,726.77/489,533.25 = 193,592.18/x
  3. Step 3: Cross multiply
    354,726.77x = 489,533.25 × 193,592.18
  4. Step 4: Simplify right side
    354,726.77x = 94,769,806,602.32
  5. Step 5: Solve for x
    x = 94,769,806,602.32/354,726.77
  6. Step 6: Final answer
    x = 267,162.83

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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.