Home / 140,141.98-193,400.04-76,483.88

Finding the Fourth Proportional to 140,141.98, 193,400.04 and 76,483.88

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Solution

The fourth proportional to 140,141.98, 193,400.04 and 76,483.88 is: 105,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,141.98 : 193,400.04 = 76,483.88 : x
  2. Step 2: Convert to fraction form
    140,141.98/193,400.04 = 76,483.88/x
  3. Step 3: Cross multiply
    140,141.98x = 193,400.04 × 76,483.88
  4. Step 4: Simplify right side
    140,141.98x = 14,791,985,451.36
  5. Step 5: Solve for x
    x = 14,791,985,451.36/140,141.98
  6. Step 6: Final answer
    x = 105,550.00

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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.