Home / 236,271.86-326,063.04-128,847.77

Finding the Fourth Proportional to 236,271.86, 326,063.04 and 128,847.77

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Solution

The fourth proportional to 236,271.86, 326,063.04 and 128,847.77 is: 177,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,271.86 : 326,063.04 = 128,847.77 : x
  2. Step 2: Convert to fraction form
    236,271.86/326,063.04 = 128,847.77/x
  3. Step 3: Cross multiply
    236,271.86x = 326,063.04 × 128,847.77
  4. Step 4: Simplify right side
    236,271.86x = 42,012,495,583.42
  5. Step 5: Solve for x
    x = 42,012,495,583.42/236,271.86
  6. Step 6: Final answer
    x = 177,814.22

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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.