Home / 374,052.90-516,196.28-212,918.30

Finding the Fourth Proportional to 374,052.90, 516,196.28 and 212,918.30

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Solution

The fourth proportional to 374,052.90, 516,196.28 and 212,918.30 is: 293,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,052.90 : 516,196.28 = 212,918.30 : x
  2. Step 2: Convert to fraction form
    374,052.90/516,196.28 = 212,918.30/x
  3. Step 3: Cross multiply
    374,052.90x = 516,196.28 × 212,918.30
  4. Step 4: Simplify right side
    374,052.90x = 109,907,634,403.92
  5. Step 5: Solve for x
    x = 109,907,634,403.92/374,052.90
  6. Step 6: Final answer
    x = 293,829.12

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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.