Home / 283,008.08-390,551.10-169,830.92

Finding the Fourth Proportional to 283,008.08, 390,551.10 and 169,830.92

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Solution

The fourth proportional to 283,008.08, 390,551.10 and 169,830.92 is: 234,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,008.08 : 390,551.10 = 169,830.92 : x
  2. Step 2: Convert to fraction form
    283,008.08/390,551.10 = 169,830.92/x
  3. Step 3: Cross multiply
    283,008.08x = 390,551.10 × 169,830.92
  4. Step 4: Simplify right side
    283,008.08x = 66,327,652,620.01
  5. Step 5: Solve for x
    x = 66,327,652,620.01/283,008.08
  6. Step 6: Final answer
    x = 234,366.64

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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.