Home / 255,368.43-383,038.07-97,612.83

Finding the Fourth Proportional to 255,368.43, 383,038.07 and 97,612.83

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Solution

The fourth proportional to 255,368.43, 383,038.07 and 97,612.83 is: 146,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,368.43 : 383,038.07 = 97,612.83 : x
  2. Step 2: Convert to fraction form
    255,368.43/383,038.07 = 97,612.83/x
  3. Step 3: Cross multiply
    255,368.43x = 383,038.07 × 97,612.83
  4. Step 4: Simplify right side
    255,368.43x = 37,389,429,522.37
  5. Step 5: Solve for x
    x = 37,389,429,522.37/255,368.43
  6. Step 6: Final answer
    x = 146,413.67

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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.