Home / 236,525.64-326,477.79-145,909.86

Finding the Fourth Proportional to 236,525.64, 326,477.79 and 145,909.86

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Solution

The fourth proportional to 236,525.64, 326,477.79 and 145,909.86 is: 201,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,525.64 : 326,477.79 = 145,909.86 : x
  2. Step 2: Convert to fraction form
    236,525.64/326,477.79 = 145,909.86/x
  3. Step 3: Cross multiply
    236,525.64x = 326,477.79 × 145,909.86
  4. Step 4: Simplify right side
    236,525.64x = 47,636,328,632.01
  5. Step 5: Solve for x
    x = 47,636,328,632.01/236,525.64
  6. Step 6: Final answer
    x = 201,400.27

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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.