Home / 102,566.40-153,820.80-32,467.20

Finding the Fourth Proportional to 102,566.40, 153,820.80 and 32,467.20

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Solution

The fourth proportional to 102,566.40, 153,820.80 and 32,467.20 is: 48,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,566.40 : 153,820.80 = 32,467.20 : x
  2. Step 2: Convert to fraction form
    102,566.40/153,820.80 = 32,467.20/x
  3. Step 3: Cross multiply
    102,566.40x = 153,820.80 × 32,467.20
  4. Step 4: Simplify right side
    102,566.40x = 4,994,130,677.76
  5. Step 5: Solve for x
    x = 4,994,130,677.76/102,566.40
  6. Step 6: Final answer
    x = 48,691.68

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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.