Home / 156,744.06-216,303.24-85,122.54

Finding the Fourth Proportional to 156,744.06, 216,303.24 and 85,122.54

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Solution

The fourth proportional to 156,744.06, 216,303.24 and 85,122.54 is: 117,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.06 : 216,303.24 = 85,122.54 : x
  2. Step 2: Convert to fraction form
    156,744.06/216,303.24 = 85,122.54/x
  3. Step 3: Cross multiply
    156,744.06x = 216,303.24 × 85,122.54
  4. Step 4: Simplify right side
    156,744.06x = 18,412,281,199.03
  5. Step 5: Solve for x
    x = 18,412,281,199.03/156,744.06
  6. Step 6: Final answer
    x = 117,467.17

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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.