Home / 115,330.60-173,136.30-65,445.40

Finding the Fourth Proportional to 115,330.60, 173,136.30 and 65,445.40

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Solution

The fourth proportional to 115,330.60, 173,136.30 and 65,445.40 is: 98,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,330.60 : 173,136.30 = 65,445.40 : x
  2. Step 2: Convert to fraction form
    115,330.60/173,136.30 = 65,445.40/x
  3. Step 3: Cross multiply
    115,330.60x = 173,136.30 × 65,445.40
  4. Step 4: Simplify right side
    115,330.60x = 11,330,974,408.02
  5. Step 5: Solve for x
    x = 11,330,974,408.02/115,330.60
  6. Step 6: Final answer
    x = 98,247.77

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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.