Home / 189,966.60-284,913.45-56,851.20

Finding the Fourth Proportional to 189,966.60, 284,913.45 and 56,851.20

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Solution

The fourth proportional to 189,966.60, 284,913.45 and 56,851.20 is: 85,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,966.60 : 284,913.45 = 56,851.20 : x
  2. Step 2: Convert to fraction form
    189,966.60/284,913.45 = 56,851.20/x
  3. Step 3: Cross multiply
    189,966.60x = 284,913.45 × 56,851.20
  4. Step 4: Simplify right side
    189,966.60x = 16,197,671,528.64
  5. Step 5: Solve for x
    x = 16,197,671,528.64/189,966.60
  6. Step 6: Final answer
    x = 85,265.89

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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.