Home / 154,880.32-213,800.22-104,647.36

Finding the Fourth Proportional to 154,880.32, 213,800.22 and 104,647.36

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Solution

The fourth proportional to 154,880.32, 213,800.22 and 104,647.36 is: 144,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,880.32 : 213,800.22 = 104,647.36 : x
  2. Step 2: Convert to fraction form
    154,880.32/213,800.22 = 104,647.36/x
  3. Step 3: Cross multiply
    154,880.32x = 213,800.22 × 104,647.36
  4. Step 4: Simplify right side
    154,880.32x = 22,373,628,590.42
  5. Step 5: Solve for x
    x = 22,373,628,590.42/154,880.32
  6. Step 6: Final answer
    x = 144,457.53

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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.