Home / 209,612.36-314,465.26-76,492.64

Finding the Fourth Proportional to 209,612.36, 314,465.26 and 76,492.64

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Solution

The fourth proportional to 209,612.36, 314,465.26 and 76,492.64 is: 114,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,612.36 : 314,465.26 = 76,492.64 : x
  2. Step 2: Convert to fraction form
    209,612.36/314,465.26 = 76,492.64/x
  3. Step 3: Cross multiply
    209,612.36x = 314,465.26 × 76,492.64
  4. Step 4: Simplify right side
    209,612.36x = 24,054,277,925.69
  5. Step 5: Solve for x
    x = 24,054,277,925.69/209,612.36
  6. Step 6: Final answer
    x = 114,756.01

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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.