Home / 125,650.95-173,423.53-74,653.86

Finding the Fourth Proportional to 125,650.95, 173,423.53 and 74,653.86

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Solution

The fourth proportional to 125,650.95, 173,423.53 and 74,653.86 is: 103,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,650.95 : 173,423.53 = 74,653.86 : x
  2. Step 2: Convert to fraction form
    125,650.95/173,423.53 = 74,653.86/x
  3. Step 3: Cross multiply
    125,650.95x = 173,423.53 × 74,653.86
  4. Step 4: Simplify right side
    125,650.95x = 12,946,735,989.62
  5. Step 5: Solve for x
    x = 12,946,735,989.62/125,650.95
  6. Step 6: Final answer
    x = 103,037.31

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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.