Home / 140,276.40-193,579.98-76,614.20

Finding the Fourth Proportional to 140,276.40, 193,579.98 and 76,614.20

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Solution

The fourth proportional to 140,276.40, 193,579.98 and 76,614.20 is: 105,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,276.40 : 193,579.98 = 76,614.20 : x
  2. Step 2: Convert to fraction form
    140,276.40/193,579.98 = 76,614.20/x
  3. Step 3: Cross multiply
    140,276.40x = 193,579.98 × 76,614.20
  4. Step 4: Simplify right side
    140,276.40x = 14,830,975,303.72
  5. Step 5: Solve for x
    x = 14,830,975,303.72/140,276.40
  6. Step 6: Final answer
    x = 105,726.80

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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.