Home / 146,103.10-219,154.65-89,022.40

Finding the Fourth Proportional to 146,103.10, 219,154.65 and 89,022.40

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Solution

The fourth proportional to 146,103.10, 219,154.65 and 89,022.40 is: 133,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,103.10 : 219,154.65 = 89,022.40 : x
  2. Step 2: Convert to fraction form
    146,103.10/219,154.65 = 89,022.40/x
  3. Step 3: Cross multiply
    146,103.10x = 219,154.65 × 89,022.40
  4. Step 4: Simplify right side
    146,103.10x = 19,509,672,914.16
  5. Step 5: Solve for x
    x = 19,509,672,914.16/146,103.10
  6. Step 6: Final answer
    x = 133,533.60

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1.5x scale

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.