Home / 122,885.89-184,328.75-70,258.46

Finding the Fourth Proportional to 122,885.89, 184,328.75 and 70,258.46

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Solution

The fourth proportional to 122,885.89, 184,328.75 and 70,258.46 is: 105,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,885.89 : 184,328.75 = 70,258.46 : x
  2. Step 2: Convert to fraction form
    122,885.89/184,328.75 = 70,258.46/x
  3. Step 3: Cross multiply
    122,885.89x = 184,328.75 × 70,258.46
  4. Step 4: Simplify right side
    122,885.89x = 12,950,654,108.73
  5. Step 5: Solve for x
    x = 12,950,654,108.73/122,885.89
  6. Step 6: Final answer
    x = 105,387.64

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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.