Home / 163,632.15-225,714.45-99,859.23

Finding the Fourth Proportional to 163,632.15, 225,714.45 and 99,859.23

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Solution

The fourth proportional to 163,632.15, 225,714.45 and 99,859.23 is: 137,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,632.15 : 225,714.45 = 99,859.23 : x
  2. Step 2: Convert to fraction form
    163,632.15/225,714.45 = 99,859.23/x
  3. Step 3: Cross multiply
    163,632.15x = 225,714.45 × 99,859.23
  4. Step 4: Simplify right side
    163,632.15x = 22,539,671,176.87
  5. Step 5: Solve for x
    x = 22,539,671,176.87/163,632.15
  6. Step 6: Final answer
    x = 137,745.98

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1.5x scale

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.