Home / 164,904.20-247,356.30-155,718.80

Finding the Fourth Proportional to 164,904.20, 247,356.30 and 155,718.80

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Solution

The fourth proportional to 164,904.20, 247,356.30 and 155,718.80 is: 233,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,904.20 : 247,356.30 = 155,718.80 : x
  2. Step 2: Convert to fraction form
    164,904.20/247,356.30 = 155,718.80/x
  3. Step 3: Cross multiply
    164,904.20x = 247,356.30 × 155,718.80
  4. Step 4: Simplify right side
    164,904.20x = 38,518,026,208.44
  5. Step 5: Solve for x
    x = 38,518,026,208.44/164,904.20
  6. Step 6: Final answer
    x = 233,578.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.