Home / 228,316.12-342,470.40-70,525.96

Finding the Fourth Proportional to 228,316.12, 342,470.40 and 70,525.96

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Solution

The fourth proportional to 228,316.12, 342,470.40 and 70,525.96 is: 105,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,316.12 : 342,470.40 = 70,525.96 : x
  2. Step 2: Convert to fraction form
    228,316.12/342,470.40 = 70,525.96/x
  3. Step 3: Cross multiply
    228,316.12x = 342,470.40 × 70,525.96
  4. Step 4: Simplify right side
    228,316.12x = 24,153,053,731.58
  5. Step 5: Solve for x
    x = 24,153,053,731.58/228,316.12
  6. Step 6: Final answer
    x = 105,787.77

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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.