Home / 104,623.60-156,935.40-91,501.60

Finding the Fourth Proportional to 104,623.60, 156,935.40 and 91,501.60

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Solution

The fourth proportional to 104,623.60, 156,935.40 and 91,501.60 is: 137,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,623.60 : 156,935.40 = 91,501.60 : x
  2. Step 2: Convert to fraction form
    104,623.60/156,935.40 = 91,501.60/x
  3. Step 3: Cross multiply
    104,623.60x = 156,935.40 × 91,501.60
  4. Step 4: Simplify right side
    104,623.60x = 14,359,840,196.64
  5. Step 5: Solve for x
    x = 14,359,840,196.64/104,623.60
  6. Step 6: Final answer
    x = 137,252.40

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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.