Home / 140,598.18-210,928.86-47,101.50

Finding the Fourth Proportional to 140,598.18, 210,928.86 and 47,101.50

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Solution

The fourth proportional to 140,598.18, 210,928.86 and 47,101.50 is: 70,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,598.18 : 210,928.86 = 47,101.50 : x
  2. Step 2: Convert to fraction form
    140,598.18/210,928.86 = 47,101.50/x
  3. Step 3: Cross multiply
    140,598.18x = 210,928.86 × 47,101.50
  4. Step 4: Simplify right side
    140,598.18x = 9,935,065,699.29
  5. Step 5: Solve for x
    x = 9,935,065,699.29/140,598.18
  6. Step 6: Final answer
    x = 70,662.83

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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.