Home / 147,854.63-221,785.90-42,673.50

Finding the Fourth Proportional to 147,854.63, 221,785.90 and 42,673.50

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Solution

The fourth proportional to 147,854.63, 221,785.90 and 42,673.50 is: 64,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,854.63 : 221,785.90 = 42,673.50 : x
  2. Step 2: Convert to fraction form
    147,854.63/221,785.90 = 42,673.50/x
  3. Step 3: Cross multiply
    147,854.63x = 221,785.90 × 42,673.50
  4. Step 4: Simplify right side
    147,854.63x = 9,464,380,496.97
  5. Step 5: Solve for x
    x = 9,464,380,496.97/147,854.63
  6. Step 6: Final answer
    x = 64,011.39

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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.