Home / 443,316.41-665,068.02-143,773.63

Finding the Fourth Proportional to 443,316.41, 665,068.02 and 143,773.63

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Solution

The fourth proportional to 443,316.41, 665,068.02 and 143,773.63 is: 215,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,316.41 : 665,068.02 = 143,773.63 : x
  2. Step 2: Convert to fraction form
    443,316.41/665,068.02 = 143,773.63/x
  3. Step 3: Cross multiply
    443,316.41x = 665,068.02 × 143,773.63
  4. Step 4: Simplify right side
    443,316.41x = 95,619,243,432.31
  5. Step 5: Solve for x
    x = 95,619,243,432.31/443,316.41
  6. Step 6: Final answer
    x = 215,690.74

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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.