Home / 140,609.13-210,908.95-56,346.67

Finding the Fourth Proportional to 140,609.13, 210,908.95 and 56,346.67

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Solution

The fourth proportional to 140,609.13, 210,908.95 and 56,346.67 is: 84,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,609.13 : 210,908.95 = 56,346.67 : x
  2. Step 2: Convert to fraction form
    140,609.13/210,908.95 = 56,346.67/x
  3. Step 3: Cross multiply
    140,609.13x = 210,908.95 × 56,346.67
  4. Step 4: Simplify right side
    140,609.13x = 11,884,017,128.47
  5. Step 5: Solve for x
    x = 11,884,017,128.47/140,609.13
  6. Step 6: Final answer
    x = 84,518.10

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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.