Home / 148,106.04-204,385.32-81,038.04

Finding the Fourth Proportional to 148,106.04, 204,385.32 and 81,038.04

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Solution

The fourth proportional to 148,106.04, 204,385.32 and 81,038.04 is: 111,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,106.04 : 204,385.32 = 81,038.04 : x
  2. Step 2: Convert to fraction form
    148,106.04/204,385.32 = 81,038.04/x
  3. Step 3: Cross multiply
    148,106.04x = 204,385.32 × 81,038.04
  4. Step 4: Simplify right side
    148,106.04x = 16,562,985,737.57
  5. Step 5: Solve for x
    x = 16,562,985,737.57/148,106.04
  6. Step 6: Final answer
    x = 111,831.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.