Home / 140,250.80-193,538.88-76,576.32

Finding the Fourth Proportional to 140,250.80, 193,538.88 and 76,576.32

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Solution

The fourth proportional to 140,250.80, 193,538.88 and 76,576.32 is: 105,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,250.80 : 193,538.88 = 76,576.32 : x
  2. Step 2: Convert to fraction form
    140,250.80/193,538.88 = 76,576.32/x
  3. Step 3: Cross multiply
    140,250.80x = 193,538.88 × 76,576.32
  4. Step 4: Simplify right side
    140,250.80x = 14,820,495,207.32
  5. Step 5: Solve for x
    x = 14,820,495,207.32/140,250.80
  6. Step 6: Final answer
    x = 105,671.38

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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.