Home / 221,883.04-306,162.84-126,391.60

Finding the Fourth Proportional to 221,883.04, 306,162.84 and 126,391.60

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Solution

The fourth proportional to 221,883.04, 306,162.84 and 126,391.60 is: 174,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,883.04 : 306,162.84 = 126,391.60 : x
  2. Step 2: Convert to fraction form
    221,883.04/306,162.84 = 126,391.60/x
  3. Step 3: Cross multiply
    221,883.04x = 306,162.84 × 126,391.60
  4. Step 4: Simplify right side
    221,883.04x = 38,696,411,208.14
  5. Step 5: Solve for x
    x = 38,696,411,208.14/221,883.04
  6. Step 6: Final answer
    x = 174,400.04

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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.