Home / 102,525.60-153,673.20-52,586.40

Finding the Fourth Proportional to 102,525.60, 153,673.20 and 52,586.40

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Solution

The fourth proportional to 102,525.60, 153,673.20 and 52,586.40 is: 78,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,525.60 : 153,673.20 = 52,586.40 : x
  2. Step 2: Convert to fraction form
    102,525.60/153,673.20 = 52,586.40/x
  3. Step 3: Cross multiply
    102,525.60x = 153,673.20 × 52,586.40
  4. Step 4: Simplify right side
    102,525.60x = 8,081,120,364.48
  5. Step 5: Solve for x
    x = 8,081,120,364.48/102,525.60
  6. Step 6: Final answer
    x = 78,820.51

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1.5x scale

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.