Home / 189,189.02-283,784.56-56,070.45

Finding the Fourth Proportional to 189,189.02, 283,784.56 and 56,070.45

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Solution

The fourth proportional to 189,189.02, 283,784.56 and 56,070.45 is: 84,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,189.02 : 283,784.56 = 56,070.45 : x
  2. Step 2: Convert to fraction form
    189,189.02/283,784.56 = 56,070.45/x
  3. Step 3: Cross multiply
    189,189.02x = 283,784.56 × 56,070.45
  4. Step 4: Simplify right side
    189,189.02x = 15,911,927,842.08
  5. Step 5: Solve for x
    x = 15,911,927,842.08/189,189.02
  6. Step 6: Final answer
    x = 84,105.98

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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.