Home / 111,194.30-153,295.60-70,338.10

Finding the Fourth Proportional to 111,194.30, 153,295.60 and 70,338.10

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Solution

The fourth proportional to 111,194.30, 153,295.60 and 70,338.10 is: 96,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,194.30 : 153,295.60 = 70,338.10 : x
  2. Step 2: Convert to fraction form
    111,194.30/153,295.60 = 70,338.10/x
  3. Step 3: Cross multiply
    111,194.30x = 153,295.60 × 70,338.10
  4. Step 4: Simplify right side
    111,194.30x = 10,782,521,242.36
  5. Step 5: Solve for x
    x = 10,782,521,242.36/111,194.30
  6. Step 6: Final answer
    x = 96,970.09

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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.