Home / 140,041.94-193,256.99-79,612.58

Finding the Fourth Proportional to 140,041.94, 193,256.99 and 79,612.58

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Solution

The fourth proportional to 140,041.94, 193,256.99 and 79,612.58 is: 109,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,041.94 : 193,256.99 = 79,612.58 : x
  2. Step 2: Convert to fraction form
    140,041.94/193,256.99 = 79,612.58/x
  3. Step 3: Cross multiply
    140,041.94x = 193,256.99 × 79,612.58
  4. Step 4: Simplify right side
    140,041.94x = 15,385,688,259.11
  5. Step 5: Solve for x
    x = 15,385,688,259.11/140,041.94
  6. Step 6: Final answer
    x = 109,864.86

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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.