Home / 140,002.02-193,202.01-76,338.45

Finding the Fourth Proportional to 140,002.02, 193,202.01 and 76,338.45

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Solution

The fourth proportional to 140,002.02, 193,202.01 and 76,338.45 is: 105,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,002.02 : 193,202.01 = 76,338.45 : x
  2. Step 2: Convert to fraction form
    140,002.02/193,202.01 = 76,338.45/x
  3. Step 3: Cross multiply
    140,002.02x = 193,202.01 × 76,338.45
  4. Step 4: Simplify right side
    140,002.02x = 14,748,741,980.28
  5. Step 5: Solve for x
    x = 14,748,741,980.28/140,002.02
  6. Step 6: Final answer
    x = 105,346.64

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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.