Home / 112,350.24-155,027.52-64,586.16

Finding the Fourth Proportional to 112,350.24, 155,027.52 and 64,586.16

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Solution

The fourth proportional to 112,350.24, 155,027.52 and 64,586.16 is: 89,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,350.24 : 155,027.52 = 64,586.16 : x
  2. Step 2: Convert to fraction form
    112,350.24/155,027.52 = 64,586.16/x
  3. Step 3: Cross multiply
    112,350.24x = 155,027.52 × 64,586.16
  4. Step 4: Simplify right side
    112,350.24x = 10,012,632,211.12
  5. Step 5: Solve for x
    x = 10,012,632,211.12/112,350.24
  6. Step 6: Final answer
    x = 89,119.81

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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.