Home / 385,338.64-578,174.01-160,743.31

Finding the Fourth Proportional to 385,338.64, 578,174.01 and 160,743.31

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Solution

The fourth proportional to 385,338.64, 578,174.01 and 160,743.31 is: 241,184.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,338.64 : 578,174.01 = 160,743.31 : x
  2. Step 2: Convert to fraction form
    385,338.64/578,174.01 = 160,743.31/x
  3. Step 3: Cross multiply
    385,338.64x = 578,174.01 × 160,743.31
  4. Step 4: Simplify right side
    385,338.64x = 92,937,604,123.37
  5. Step 5: Solve for x
    x = 92,937,604,123.37/385,338.64
  6. Step 6: Final answer
    x = 241,184.23

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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.