Home / 514,185.12-771,313.68-159,152.40

Finding the Fourth Proportional to 514,185.12, 771,313.68 and 159,152.40

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Solution

The fourth proportional to 514,185.12, 771,313.68 and 159,152.40 is: 238,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,185.12 : 771,313.68 = 159,152.40 : x
  2. Step 2: Convert to fraction form
    514,185.12/771,313.68 = 159,152.40/x
  3. Step 3: Cross multiply
    514,185.12x = 771,313.68 × 159,152.40
  4. Step 4: Simplify right side
    514,185.12x = 122,756,423,324.83
  5. Step 5: Solve for x
    x = 122,756,423,324.83/514,185.12
  6. Step 6: Final answer
    x = 238,739.74

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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.