Home / 125,225.64-172,777.77-71,499.96

Finding the Fourth Proportional to 125,225.64, 172,777.77 and 71,499.96

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Solution

The fourth proportional to 125,225.64, 172,777.77 and 71,499.96 is: 98,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,225.64 : 172,777.77 = 71,499.96 : x
  2. Step 2: Convert to fraction form
    125,225.64/172,777.77 = 71,499.96/x
  3. Step 3: Cross multiply
    125,225.64x = 172,777.77 × 71,499.96
  4. Step 4: Simplify right side
    125,225.64x = 12,353,603,643.89
  5. Step 5: Solve for x
    x = 12,353,603,643.89/125,225.64
  6. Step 6: Final answer
    x = 98,650.75

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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.