Home / 140,210.08-193,493.20-76,548.32

Finding the Fourth Proportional to 140,210.08, 193,493.20 and 76,548.32

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Solution

The fourth proportional to 140,210.08, 193,493.20 and 76,548.32 is: 105,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,210.08 : 193,493.20 = 76,548.32 : x
  2. Step 2: Convert to fraction form
    140,210.08/193,493.20 = 76,548.32/x
  3. Step 3: Cross multiply
    140,210.08x = 193,493.20 × 76,548.32
  4. Step 4: Simplify right side
    140,210.08x = 14,811,579,391.42
  5. Step 5: Solve for x
    x = 14,811,579,391.42/140,210.08
  6. Step 6: Final answer
    x = 105,638.48

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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.