Home / 124,342.60-186,492.30-45,416.20

Finding the Fourth Proportional to 124,342.60, 186,492.30 and 45,416.20

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Solution

The fourth proportional to 124,342.60, 186,492.30 and 45,416.20 is: 68,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,342.60 : 186,492.30 = 45,416.20 : x
  2. Step 2: Convert to fraction form
    124,342.60/186,492.30 = 45,416.20/x
  3. Step 3: Cross multiply
    124,342.60x = 186,492.30 × 45,416.20
  4. Step 4: Simplify right side
    124,342.60x = 8,469,771,595.26
  5. Step 5: Solve for x
    x = 8,469,771,595.26/124,342.60
  6. Step 6: Final answer
    x = 68,116.41

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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.