Home / 358,455.40-537,164.70-158,612.20

Finding the Fourth Proportional to 358,455.40, 537,164.70 and 158,612.20

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Solution

The fourth proportional to 358,455.40, 537,164.70 and 158,612.20 is: 237,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,455.40 : 537,164.70 = 158,612.20 : x
  2. Step 2: Convert to fraction form
    358,455.40/537,164.70 = 158,612.20/x
  3. Step 3: Cross multiply
    358,455.40x = 537,164.70 × 158,612.20
  4. Step 4: Simplify right side
    358,455.40x = 85,200,874,829.34
  5. Step 5: Solve for x
    x = 85,200,874,829.34/358,455.40
  6. Step 6: Final answer
    x = 237,688.91

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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.