Home / 283,066.47-390,641.07-162,230.92

Finding the Fourth Proportional to 283,066.47, 390,641.07 and 162,230.92

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Solution

The fourth proportional to 283,066.47, 390,641.07 and 162,230.92 is: 223,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,066.47 : 390,641.07 = 162,230.92 : x
  2. Step 2: Convert to fraction form
    283,066.47/390,641.07 = 162,230.92/x
  3. Step 3: Cross multiply
    283,066.47x = 390,641.07 × 162,230.92
  4. Step 4: Simplify right side
    283,066.47x = 63,374,059,807.65
  5. Step 5: Solve for x
    x = 63,374,059,807.65/283,066.47
  6. Step 6: Final answer
    x = 223,884.02

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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.