Home / 102,529.60-153,679.20-52,590.40

Finding the Fourth Proportional to 102,529.60, 153,679.20 and 52,590.40

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Solution

The fourth proportional to 102,529.60, 153,679.20 and 52,590.40 is: 78,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,529.60 : 153,679.20 = 52,590.40 : x
  2. Step 2: Convert to fraction form
    102,529.60/153,679.20 = 52,590.40/x
  3. Step 3: Cross multiply
    102,529.60x = 153,679.20 × 52,590.40
  4. Step 4: Simplify right side
    102,529.60x = 8,082,050,599.68
  5. Step 5: Solve for x
    x = 8,082,050,599.68/102,529.60
  6. Step 6: Final answer
    x = 78,826.51

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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.