Home / 368,946.60-553,679.10-158,735.40

Finding the Fourth Proportional to 368,946.60, 553,679.10 and 158,735.40

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Solution

The fourth proportional to 368,946.60, 553,679.10 and 158,735.40 is: 238,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,946.60 : 553,679.10 = 158,735.40 : x
  2. Step 2: Convert to fraction form
    368,946.60/553,679.10 = 158,735.40/x
  3. Step 3: Cross multiply
    368,946.60x = 553,679.10 × 158,735.40
  4. Step 4: Simplify right side
    368,946.60x = 87,888,473,410.14
  5. Step 5: Solve for x
    x = 87,888,473,410.14/368,946.60
  6. Step 6: Final answer
    x = 238,214.62

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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.