Home / 260,492.04-390,766.56-82,957.32

Finding the Fourth Proportional to 260,492.04, 390,766.56 and 82,957.32

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Solution

The fourth proportional to 260,492.04, 390,766.56 and 82,957.32 is: 124,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,492.04 : 390,766.56 = 82,957.32 : x
  2. Step 2: Convert to fraction form
    260,492.04/390,766.56 = 82,957.32/x
  3. Step 3: Cross multiply
    260,492.04x = 390,766.56 × 82,957.32
  4. Step 4: Simplify right side
    260,492.04x = 32,416,946,563.22
  5. Step 5: Solve for x
    x = 32,416,946,563.22/260,492.04
  6. Step 6: Final answer
    x = 124,445.06

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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.