Home / 111,014.03-153,203.25-63,259.67

Finding the Fourth Proportional to 111,014.03, 153,203.25 and 63,259.67

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Solution

The fourth proportional to 111,014.03, 153,203.25 and 63,259.67 is: 87,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,014.03 : 153,203.25 = 63,259.67 : x
  2. Step 2: Convert to fraction form
    111,014.03/153,203.25 = 63,259.67/x
  3. Step 3: Cross multiply
    111,014.03x = 153,203.25 × 63,259.67
  4. Step 4: Simplify right side
    111,014.03x = 9,691,586,271.91
  5. Step 5: Solve for x
    x = 9,691,586,271.91/111,014.03
  6. Step 6: Final answer
    x = 87,300.56

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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.