Home / 113,774.07-170,522.76-80,503.74

Finding the Fourth Proportional to 113,774.07, 170,522.76 and 80,503.74

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Solution

The fourth proportional to 113,774.07, 170,522.76 and 80,503.74 is: 120,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,774.07 : 170,522.76 = 80,503.74 : x
  2. Step 2: Convert to fraction form
    113,774.07/170,522.76 = 80,503.74/x
  3. Step 3: Cross multiply
    113,774.07x = 170,522.76 × 80,503.74
  4. Step 4: Simplify right side
    113,774.07x = 13,727,719,935.12
  5. Step 5: Solve for x
    x = 13,727,719,935.12/113,774.07
  6. Step 6: Final answer
    x = 120,657.72

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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.