Home / 134,598.16-185,751.72-78,027.28

Finding the Fourth Proportional to 134,598.16, 185,751.72 and 78,027.28

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Solution

The fourth proportional to 134,598.16, 185,751.72 and 78,027.28 is: 107,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,598.16 : 185,751.72 = 78,027.28 : x
  2. Step 2: Convert to fraction form
    134,598.16/185,751.72 = 78,027.28/x
  3. Step 3: Cross multiply
    134,598.16x = 185,751.72 × 78,027.28
  4. Step 4: Simplify right side
    134,598.16x = 14,493,701,466.92
  5. Step 5: Solve for x
    x = 14,493,701,466.92/134,598.16
  6. Step 6: Final answer
    x = 107,681.27

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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.