Home / 127,105.58-190,597.76-47,088.66

Finding the Fourth Proportional to 127,105.58, 190,597.76 and 47,088.66

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Solution

The fourth proportional to 127,105.58, 190,597.76 and 47,088.66 is: 70,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,105.58 : 190,597.76 = 47,088.66 : x
  2. Step 2: Convert to fraction form
    127,105.58/190,597.76 = 47,088.66/x
  3. Step 3: Cross multiply
    127,105.58x = 190,597.76 × 47,088.66
  4. Step 4: Simplify right side
    127,105.58x = 8,974,993,117.40
  5. Step 5: Solve for x
    x = 8,974,993,117.40/127,105.58
  6. Step 6: Final answer
    x = 70,610.54

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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.