Home / 188,454.36-282,695.38-70,125.68

Finding the Fourth Proportional to 188,454.36, 282,695.38 and 70,125.68

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Solution

The fourth proportional to 188,454.36, 282,695.38 and 70,125.68 is: 105,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,454.36 : 282,695.38 = 70,125.68 : x
  2. Step 2: Convert to fraction form
    188,454.36/282,695.38 = 70,125.68/x
  3. Step 3: Cross multiply
    188,454.36x = 282,695.38 × 70,125.68
  4. Step 4: Simplify right side
    188,454.36x = 19,824,205,755.36
  5. Step 5: Solve for x
    x = 19,824,205,755.36/188,454.36
  6. Step 6: Final answer
    x = 105,193.67

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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.