Home / 140,182.40-210,322.20-61,353.20

Finding the Fourth Proportional to 140,182.40, 210,322.20 and 61,353.20

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Solution

The fourth proportional to 140,182.40, 210,322.20 and 61,353.20 is: 92,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,182.40 : 210,322.20 = 61,353.20 : x
  2. Step 2: Convert to fraction form
    140,182.40/210,322.20 = 61,353.20/x
  3. Step 3: Cross multiply
    140,182.40x = 210,322.20 × 61,353.20
  4. Step 4: Simplify right side
    140,182.40x = 12,903,940,001.04
  5. Step 5: Solve for x
    x = 12,903,940,001.04/140,182.40
  6. Step 6: Final answer
    x = 92,051.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.