Home / 125,608.10-173,295.56-80,312.60

Finding the Fourth Proportional to 125,608.10, 173,295.56 and 80,312.60

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Solution

The fourth proportional to 125,608.10, 173,295.56 and 80,312.60 is: 110,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,608.10 : 173,295.56 = 80,312.60 : x
  2. Step 2: Convert to fraction form
    125,608.10/173,295.56 = 80,312.60/x
  3. Step 3: Cross multiply
    125,608.10x = 173,295.56 × 80,312.60
  4. Step 4: Simplify right side
    125,608.10x = 13,917,816,590.49
  5. Step 5: Solve for x
    x = 13,917,816,590.49/125,608.10
  6. Step 6: Final answer
    x = 110,803.50

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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.