Home / 102,521.60-153,782.40-93,336.20

Finding the Fourth Proportional to 102,521.60, 153,782.40 and 93,336.20

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Solution

The fourth proportional to 102,521.60, 153,782.40 and 93,336.20 is: 140,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,521.60 : 153,782.40 = 93,336.20 : x
  2. Step 2: Convert to fraction form
    102,521.60/153,782.40 = 93,336.20/x
  3. Step 3: Cross multiply
    102,521.60x = 153,782.40 × 93,336.20
  4. Step 4: Simplify right side
    102,521.60x = 14,353,464,842.88
  5. Step 5: Solve for x
    x = 14,353,464,842.88/102,521.60
  6. Step 6: Final answer
    x = 140,004.30

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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.