Home / 125,740.58-173,513.28-74,750.67

Finding the Fourth Proportional to 125,740.58, 173,513.28 and 74,750.67

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Solution

The fourth proportional to 125,740.58, 173,513.28 and 74,750.67 is: 103,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,740.58 : 173,513.28 = 74,750.67 : x
  2. Step 2: Convert to fraction form
    125,740.58/173,513.28 = 74,750.67/x
  3. Step 3: Cross multiply
    125,740.58x = 173,513.28 × 74,750.67
  4. Step 4: Simplify right side
    125,740.58x = 12,970,233,933.90
  5. Step 5: Solve for x
    x = 12,970,233,933.90/125,740.58
  6. Step 6: Final answer
    x = 103,150.74

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1.5x scale

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.