Home / 459,148.23-688,730.24-159,638.58

Finding the Fourth Proportional to 459,148.23, 688,730.24 and 159,638.58

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Solution

The fourth proportional to 459,148.23, 688,730.24 and 159,638.58 is: 239,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,148.23 : 688,730.24 = 159,638.58 : x
  2. Step 2: Convert to fraction form
    459,148.23/688,730.24 = 159,638.58/x
  3. Step 3: Cross multiply
    459,148.23x = 688,730.24 × 159,638.58
  4. Step 4: Simplify right side
    459,148.23x = 109,947,917,915.76
  5. Step 5: Solve for x
    x = 109,947,917,915.76/459,148.23
  6. Step 6: Final answer
    x = 239,460.62

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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.