Home / 115,492.90-173,239.35-103,683.10

Finding the Fourth Proportional to 115,492.90, 173,239.35 and 103,683.10

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Solution

The fourth proportional to 115,492.90, 173,239.35 and 103,683.10 is: 155,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,492.90 : 173,239.35 = 103,683.10 : x
  2. Step 2: Convert to fraction form
    115,492.90/173,239.35 = 103,683.10/x
  3. Step 3: Cross multiply
    115,492.90x = 173,239.35 × 103,683.10
  4. Step 4: Simplify right side
    115,492.90x = 17,961,992,849.99
  5. Step 5: Solve for x
    x = 17,961,992,849.99/115,492.90
  6. Step 6: Final answer
    x = 155,524.65

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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.