Home / 93,431.40-140,147.10-92,848.20

Finding the Fourth Proportional to 93,431.40, 140,147.10 and 92,848.20

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Solution

The fourth proportional to 93,431.40, 140,147.10 and 92,848.20 is: 139,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431.40 : 140,147.10 = 92,848.20 : x
  2. Step 2: Convert to fraction form
    93,431.40/140,147.10 = 92,848.20/x
  3. Step 3: Cross multiply
    93,431.40x = 140,147.10 × 92,848.20
  4. Step 4: Simplify right side
    93,431.40x = 13,012,405,970.22
  5. Step 5: Solve for x
    x = 13,012,405,970.22/93,431.40
  6. Step 6: Final answer
    x = 139,272.30

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1.5x scale

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.