Home / 125,533.79-173,150.63-80,191.64

Finding the Fourth Proportional to 125,533.79, 173,150.63 and 80,191.64

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Solution

The fourth proportional to 125,533.79, 173,150.63 and 80,191.64 is: 110,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,533.79 : 173,150.63 = 80,191.64 : x
  2. Step 2: Convert to fraction form
    125,533.79/173,150.63 = 80,191.64/x
  3. Step 3: Cross multiply
    125,533.79x = 173,150.63 × 80,191.64
  4. Step 4: Simplify right side
    125,533.79x = 13,885,233,319.37
  5. Step 5: Solve for x
    x = 13,885,233,319.37/125,533.79
  6. Step 6: Final answer
    x = 110,609.53

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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.