Home / 283,066.30-390,587.02-162,184.33

Finding the Fourth Proportional to 283,066.30, 390,587.02 and 162,184.33

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Solution

The fourth proportional to 283,066.30, 390,587.02 and 162,184.33 is: 223,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,066.30 : 390,587.02 = 162,184.33 : x
  2. Step 2: Convert to fraction form
    283,066.30/390,587.02 = 162,184.33/x
  3. Step 3: Cross multiply
    283,066.30x = 390,587.02 × 162,184.33
  4. Step 4: Simplify right side
    283,066.30x = 63,347,094,145.40
  5. Step 5: Solve for x
    x = 63,347,094,145.40/283,066.30
  6. Step 6: Final answer
    x = 223,788.89

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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.