Home / 140,244.50-193,538.13-76,582.30

Finding the Fourth Proportional to 140,244.50, 193,538.13 and 76,582.30

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Solution

The fourth proportional to 140,244.50, 193,538.13 and 76,582.30 is: 105,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,244.50 : 193,538.13 = 76,582.30 : x
  2. Step 2: Convert to fraction form
    140,244.50/193,538.13 = 76,582.30/x
  3. Step 3: Cross multiply
    140,244.50x = 193,538.13 × 76,582.30
  4. Step 4: Simplify right side
    140,244.50x = 14,821,594,750.19
  5. Step 5: Solve for x
    x = 14,821,594,750.19/140,244.50
  6. Step 6: Final answer
    x = 105,683.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.