Home / 451,457.65-677,303.93-131,602.29

Finding the Fourth Proportional to 451,457.65, 677,303.93 and 131,602.29

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Solution

The fourth proportional to 451,457.65, 677,303.93 and 131,602.29 is: 197,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,457.65 : 677,303.93 = 131,602.29 : x
  2. Step 2: Convert to fraction form
    451,457.65/677,303.93 = 131,602.29/x
  3. Step 3: Cross multiply
    451,457.65x = 677,303.93 × 131,602.29
  4. Step 4: Simplify right side
    451,457.65x = 89,134,748,214.00
  5. Step 5: Solve for x
    x = 89,134,748,214.00/451,457.65
  6. Step 6: Final answer
    x = 197,437.67

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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.