Home / 235,543.08-353,325.96-77,768.04

Finding the Fourth Proportional to 235,543.08, 353,325.96 and 77,768.04

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Solution

The fourth proportional to 235,543.08, 353,325.96 and 77,768.04 is: 116,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,543.08 : 353,325.96 = 77,768.04 : x
  2. Step 2: Convert to fraction form
    235,543.08/353,325.96 = 77,768.04/x
  3. Step 3: Cross multiply
    235,543.08x = 353,325.96 × 77,768.04
  4. Step 4: Simplify right side
    235,543.08x = 27,477,467,390.32
  5. Step 5: Solve for x
    x = 27,477,467,390.32/235,543.08
  6. Step 6: Final answer
    x = 116,655.80

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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.