Home / 218,823.60-301,826.40-133,982.40

Finding the Fourth Proportional to 218,823.60, 301,826.40 and 133,982.40

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Solution

The fourth proportional to 218,823.60, 301,826.40 and 133,982.40 is: 184,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,823.60 : 301,826.40 = 133,982.40 : x
  2. Step 2: Convert to fraction form
    218,823.60/301,826.40 = 133,982.40/x
  3. Step 3: Cross multiply
    218,823.60x = 301,826.40 × 133,982.40
  4. Step 4: Simplify right side
    218,823.60x = 40,439,425,455.36
  5. Step 5: Solve for x
    x = 40,439,425,455.36/218,823.60
  6. Step 6: Final answer
    x = 184,803.77

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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.