Home / 218,825.60-301,829.16-133,984.40

Finding the Fourth Proportional to 218,825.60, 301,829.16 and 133,984.40

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Solution

The fourth proportional to 218,825.60, 301,829.16 and 133,984.40 is: 184,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,825.60 : 301,829.16 = 133,984.40 : x
  2. Step 2: Convert to fraction form
    218,825.60/301,829.16 = 133,984.40/x
  3. Step 3: Cross multiply
    218,825.60x = 301,829.16 × 133,984.40
  4. Step 4: Simplify right side
    218,825.60x = 40,440,398,905.10
  5. Step 5: Solve for x
    x = 40,440,398,905.10/218,825.60
  6. Step 6: Final answer
    x = 184,806.53

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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.