Home / 154,830.85-213,419.64-116,532.82

Finding the Fourth Proportional to 154,830.85, 213,419.64 and 116,532.82

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Solution

The fourth proportional to 154,830.85, 213,419.64 and 116,532.82 is: 160,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,830.85 : 213,419.64 = 116,532.82 : x
  2. Step 2: Convert to fraction form
    154,830.85/213,419.64 = 116,532.82/x
  3. Step 3: Cross multiply
    154,830.85x = 213,419.64 × 116,532.82
  4. Step 4: Simplify right side
    154,830.85x = 24,870,392,492.58
  5. Step 5: Solve for x
    x = 24,870,392,492.58/154,830.85
  6. Step 6: Final answer
    x = 160,629.44

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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.