Home / 146,587.60-219,751.80-87,360.40

Finding the Fourth Proportional to 146,587.60, 219,751.80 and 87,360.40

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Solution

The fourth proportional to 146,587.60, 219,751.80 and 87,360.40 is: 130,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,587.60 : 219,751.80 = 87,360.40 : x
  2. Step 2: Convert to fraction form
    146,587.60/219,751.80 = 87,360.40/x
  3. Step 3: Cross multiply
    146,587.60x = 219,751.80 × 87,360.40
  4. Step 4: Simplify right side
    146,587.60x = 19,197,605,148.72
  5. Step 5: Solve for x
    x = 19,197,605,148.72/146,587.60
  6. Step 6: Final answer
    x = 130,963.36

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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.