Home / 384,870.30-576,430.65-197,663.10

Finding the Fourth Proportional to 384,870.30, 576,430.65 and 197,663.10

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Solution

The fourth proportional to 384,870.30, 576,430.65 and 197,663.10 is: 296,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,870.30 : 576,430.65 = 197,663.10 : x
  2. Step 2: Convert to fraction form
    384,870.30/576,430.65 = 197,663.10/x
  3. Step 3: Cross multiply
    384,870.30x = 576,430.65 × 197,663.10
  4. Step 4: Simplify right side
    384,870.30x = 113,939,069,214.02
  5. Step 5: Solve for x
    x = 113,939,069,214.02/384,870.30
  6. Step 6: Final answer
    x = 296,045.37

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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.