Home / 286,023-393,312.06-248,231.64

Finding the Fourth Proportional to 286,023, 393,312.06 and 248,231.64

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Solution

The fourth proportional to 286,023, 393,312.06 and 248,231.64 is: 341,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,023 : 393,312.06 = 248,231.64 : x
  2. Step 2: Convert to fraction form
    286,023/393,312.06 = 248,231.64/x
  3. Step 3: Cross multiply
    286,023x = 393,312.06 × 248,231.64
  4. Step 4: Simplify right side
    286,023x = 97,632,497,685.58
  5. Step 5: Solve for x
    x = 97,632,497,685.58/286,023
  6. Step 6: Final answer
    x = 341,344.92

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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.