Home / 153,079.80-229,652.43-64,287.60

Finding the Fourth Proportional to 153,079.80, 229,652.43 and 64,287.60

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Solution

The fourth proportional to 153,079.80, 229,652.43 and 64,287.60 is: 96,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,079.80 : 229,652.43 = 64,287.60 : x
  2. Step 2: Convert to fraction form
    153,079.80/229,652.43 = 64,287.60/x
  3. Step 3: Cross multiply
    153,079.80x = 229,652.43 × 64,287.60
  4. Step 4: Simplify right side
    153,079.80x = 14,763,803,558.87
  5. Step 5: Solve for x
    x = 14,763,803,558.87/153,079.80
  6. Step 6: Final answer
    x = 96,445.15

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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.