Home / 116,120.48-173,885.28-76,557.56

Finding the Fourth Proportional to 116,120.48, 173,885.28 and 76,557.56

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Solution

The fourth proportional to 116,120.48, 173,885.28 and 76,557.56 is: 114,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,120.48 : 173,885.28 = 76,557.56 : x
  2. Step 2: Convert to fraction form
    116,120.48/173,885.28 = 76,557.56/x
  3. Step 3: Cross multiply
    116,120.48x = 173,885.28 × 76,557.56
  4. Step 4: Simplify right side
    116,120.48x = 13,312,232,756.72
  5. Step 5: Solve for x
    x = 13,312,232,756.72/116,120.48
  6. Step 6: Final answer
    x = 114,641.56

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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.