Home / 286,276.16-427,486.48-233,789.76

Finding the Fourth Proportional to 286,276.16, 427,486.48 and 233,789.76

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Solution

The fourth proportional to 286,276.16, 427,486.48 and 233,789.76 is: 349,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,276.16 : 427,486.48 = 233,789.76 : x
  2. Step 2: Convert to fraction form
    286,276.16/427,486.48 = 233,789.76/x
  3. Step 3: Cross multiply
    286,276.16x = 427,486.48 × 233,789.76
  4. Step 4: Simplify right side
    286,276.16x = 99,941,961,562.44
  5. Step 5: Solve for x
    x = 99,941,961,562.44/286,276.16
  6. Step 6: Final answer
    x = 349,110.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.