Home / 214,839.60-322,259.40-121,527.60

Finding the Fourth Proportional to 214,839.60, 322,259.40 and 121,527.60

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Solution

The fourth proportional to 214,839.60, 322,259.40 and 121,527.60 is: 182,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,839.60 : 322,259.40 = 121,527.60 : x
  2. Step 2: Convert to fraction form
    214,839.60/322,259.40 = 121,527.60/x
  3. Step 3: Cross multiply
    214,839.60x = 322,259.40 × 121,527.60
  4. Step 4: Simplify right side
    214,839.60x = 39,163,411,459.44
  5. Step 5: Solve for x
    x = 39,163,411,459.44/214,839.60
  6. Step 6: Final answer
    x = 182,291.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.