Home / 148,930.74-205,520.76-85,263.12

Finding the Fourth Proportional to 148,930.74, 205,520.76 and 85,263.12

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Solution

The fourth proportional to 148,930.74, 205,520.76 and 85,263.12 is: 117,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,930.74 : 205,520.76 = 85,263.12 : x
  2. Step 2: Convert to fraction form
    148,930.74/205,520.76 = 85,263.12/x
  3. Step 3: Cross multiply
    148,930.74x = 205,520.76 × 85,263.12
  4. Step 4: Simplify right side
    148,930.74x = 17,523,341,222.37
  5. Step 5: Solve for x
    x = 17,523,341,222.37/148,930.74
  6. Step 6: Final answer
    x = 117,661.01

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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.