Home / 228,139.03-342,094.33-70,346.98

Finding the Fourth Proportional to 228,139.03, 342,094.33 and 70,346.98

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Solution

The fourth proportional to 228,139.03, 342,094.33 and 70,346.98 is: 105,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,139.03 : 342,094.33 = 70,346.98 : x
  2. Step 2: Convert to fraction form
    228,139.03/342,094.33 = 70,346.98/x
  3. Step 3: Cross multiply
    228,139.03x = 342,094.33 × 70,346.98
  4. Step 4: Simplify right side
    228,139.03x = 24,065,300,928.42
  5. Step 5: Solve for x
    x = 24,065,300,928.42/228,139.03
  6. Step 6: Final answer
    x = 105,485.24

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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.