Home / 228,268.19-342,445.34-70,459.74

Finding the Fourth Proportional to 228,268.19, 342,445.34 and 70,459.74

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Solution

The fourth proportional to 228,268.19, 342,445.34 and 70,459.74 is: 105,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,268.19 : 342,445.34 = 70,459.74 : x
  2. Step 2: Convert to fraction form
    228,268.19/342,445.34 = 70,459.74/x
  3. Step 3: Cross multiply
    228,268.19x = 342,445.34 × 70,459.74
  4. Step 4: Simplify right side
    228,268.19x = 24,128,609,796.76
  5. Step 5: Solve for x
    x = 24,128,609,796.76/228,268.19
  6. Step 6: Final answer
    x = 105,702.90

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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.