Home / 146,467.60-219,701.40-89,386.90

Finding the Fourth Proportional to 146,467.60, 219,701.40 and 89,386.90

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Solution

The fourth proportional to 146,467.60, 219,701.40 and 89,386.90 is: 134,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,467.60 : 219,701.40 = 89,386.90 : x
  2. Step 2: Convert to fraction form
    146,467.60/219,701.40 = 89,386.90/x
  3. Step 3: Cross multiply
    146,467.60x = 219,701.40 × 89,386.90
  4. Step 4: Simplify right side
    146,467.60x = 19,638,427,071.66
  5. Step 5: Solve for x
    x = 19,638,427,071.66/146,467.60
  6. Step 6: Final answer
    x = 134,080.35

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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.