Home / 118,206.35-163,125.32-64,492.56

Finding the Fourth Proportional to 118,206.35, 163,125.32 and 64,492.56

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Solution

The fourth proportional to 118,206.35, 163,125.32 and 64,492.56 is: 89,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,206.35 : 163,125.32 = 64,492.56 : x
  2. Step 2: Convert to fraction form
    118,206.35/163,125.32 = 64,492.56/x
  3. Step 3: Cross multiply
    118,206.35x = 163,125.32 × 64,492.56
  4. Step 4: Simplify right side
    118,206.35x = 10,520,369,165.16
  5. Step 5: Solve for x
    x = 10,520,369,165.16/118,206.35
  6. Step 6: Final answer
    x = 89,000.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.