Home / 221,874.19-306,186.38-126,436.24

Finding the Fourth Proportional to 221,874.19, 306,186.38 and 126,436.24

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Solution

The fourth proportional to 221,874.19, 306,186.38 and 126,436.24 is: 174,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,874.19 : 306,186.38 = 126,436.24 : x
  2. Step 2: Convert to fraction form
    221,874.19/306,186.38 = 126,436.24/x
  3. Step 3: Cross multiply
    221,874.19x = 306,186.38 × 126,436.24
  4. Step 4: Simplify right side
    221,874.19x = 38,713,054,851.10
  5. Step 5: Solve for x
    x = 38,713,054,851.10/221,874.19
  6. Step 6: Final answer
    x = 174,482.01

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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.