Home / 341,189.28-470,689.08-197,866.40

Finding the Fourth Proportional to 341,189.28, 470,689.08 and 197,866.40

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Solution

The fourth proportional to 341,189.28, 470,689.08 and 197,866.40 is: 272,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,189.28 : 470,689.08 = 197,866.40 : x
  2. Step 2: Convert to fraction form
    341,189.28/470,689.08 = 197,866.40/x
  3. Step 3: Cross multiply
    341,189.28x = 470,689.08 × 197,866.40
  4. Step 4: Simplify right side
    341,189.28x = 93,133,553,778.91
  5. Step 5: Solve for x
    x = 93,133,553,778.91/341,189.28
  6. Step 6: Final answer
    x = 272,967.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.