Home / 453,875.10-680,812.65-121,451.10

Finding the Fourth Proportional to 453,875.10, 680,812.65 and 121,451.10

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Solution

The fourth proportional to 453,875.10, 680,812.65 and 121,451.10 is: 182,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,875.10 : 680,812.65 = 121,451.10 : x
  2. Step 2: Convert to fraction form
    453,875.10/680,812.65 = 121,451.10/x
  3. Step 3: Cross multiply
    453,875.10x = 680,812.65 × 121,451.10
  4. Step 4: Simplify right side
    453,875.10x = 82,685,445,236.42
  5. Step 5: Solve for x
    x = 82,685,445,236.42/453,875.10
  6. Step 6: Final answer
    x = 182,176.65

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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.