Home / 156,728.45-235,128.14-51,548.33

Finding the Fourth Proportional to 156,728.45, 235,128.14 and 51,548.33

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Solution

The fourth proportional to 156,728.45, 235,128.14 and 51,548.33 is: 77,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,728.45 : 235,128.14 = 51,548.33 : x
  2. Step 2: Convert to fraction form
    156,728.45/235,128.14 = 51,548.33/x
  3. Step 3: Cross multiply
    156,728.45x = 235,128.14 × 51,548.33
  4. Step 4: Simplify right side
    156,728.45x = 12,120,462,953.01
  5. Step 5: Solve for x
    x = 12,120,462,953.01/156,728.45
  6. Step 6: Final answer
    x = 77,334.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.