Home / 430,916.59-646,670.13-150,433.84

Finding the Fourth Proportional to 430,916.59, 646,670.13 and 150,433.84

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Solution

The fourth proportional to 430,916.59, 646,670.13 and 150,433.84 is: 225,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,916.59 : 646,670.13 = 150,433.84 : x
  2. Step 2: Convert to fraction form
    430,916.59/646,670.13 = 150,433.84/x
  3. Step 3: Cross multiply
    430,916.59x = 646,670.13 × 150,433.84
  4. Step 4: Simplify right side
    430,916.59x = 97,281,070,869.20
  5. Step 5: Solve for x
    x = 97,281,070,869.20/430,916.59
  6. Step 6: Final answer
    x = 225,753.83

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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.