Home / 346,001.60-518,905.20-109,416.80

Finding the Fourth Proportional to 346,001.60, 518,905.20 and 109,416.80

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Solution

The fourth proportional to 346,001.60, 518,905.20 and 109,416.80 is: 164,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,001.60 : 518,905.20 = 109,416.80 : x
  2. Step 2: Convert to fraction form
    346,001.60/518,905.20 = 109,416.80/x
  3. Step 3: Cross multiply
    346,001.60x = 518,905.20 × 109,416.80
  4. Step 4: Simplify right side
    346,001.60x = 56,776,946,487.36
  5. Step 5: Solve for x
    x = 56,776,946,487.36/346,001.60
  6. Step 6: Final answer
    x = 164,094.46

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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.