Home / 108,634.30-162,562.65-99,303.10

Finding the Fourth Proportional to 108,634.30, 162,562.65 and 99,303.10

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Solution

The fourth proportional to 108,634.30, 162,562.65 and 99,303.10 is: 148,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,634.30 : 162,562.65 = 99,303.10 : x
  2. Step 2: Convert to fraction form
    108,634.30/162,562.65 = 99,303.10/x
  3. Step 3: Cross multiply
    108,634.30x = 162,562.65 × 99,303.10
  4. Step 4: Simplify right side
    108,634.30x = 16,142,975,089.22
  5. Step 5: Solve for x
    x = 16,142,975,089.22/108,634.30
  6. Step 6: Final answer
    x = 148,599.25

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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.