Home / 189,851.43-284,779.58-56,701.20

Finding the Fourth Proportional to 189,851.43, 284,779.58 and 56,701.20

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Solution

The fourth proportional to 189,851.43, 284,779.58 and 56,701.20 is: 85,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,851.43 : 284,779.58 = 56,701.20 : x
  2. Step 2: Convert to fraction form
    189,851.43/284,779.58 = 56,701.20/x
  3. Step 3: Cross multiply
    189,851.43x = 284,779.58 × 56,701.20
  4. Step 4: Simplify right side
    189,851.43x = 16,147,343,637.99
  5. Step 5: Solve for x
    x = 16,147,343,637.99/189,851.43
  6. Step 6: Final answer
    x = 85,052.53

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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.