Home / 111,445.25-153,754.08-73,225.37

Finding the Fourth Proportional to 111,445.25, 153,754.08 and 73,225.37

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Solution

The fourth proportional to 111,445.25, 153,754.08 and 73,225.37 is: 101,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,445.25 : 153,754.08 = 73,225.37 : x
  2. Step 2: Convert to fraction form
    111,445.25/153,754.08 = 73,225.37/x
  3. Step 3: Cross multiply
    111,445.25x = 153,754.08 × 73,225.37
  4. Step 4: Simplify right side
    111,445.25x = 11,258,698,628.24
  5. Step 5: Solve for x
    x = 11,258,698,628.24/111,445.25
  6. Step 6: Final answer
    x = 101,024.49

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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.