Home / 354,973.27-489,864.91-193,828.31

Finding the Fourth Proportional to 354,973.27, 489,864.91 and 193,828.31

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Solution

The fourth proportional to 354,973.27, 489,864.91 and 193,828.31 is: 267,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,973.27 : 489,864.91 = 193,828.31 : x
  2. Step 2: Convert to fraction form
    354,973.27/489,864.91 = 193,828.31/x
  3. Step 3: Cross multiply
    354,973.27x = 489,864.91 × 193,828.31
  4. Step 4: Simplify right side
    354,973.27x = 94,949,688,373.69
  5. Step 5: Solve for x
    x = 94,949,688,373.69/354,973.27
  6. Step 6: Final answer
    x = 267,484.05

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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.