Home / 191,423.60-286,992.12-132,089.84

Finding the Fourth Proportional to 191,423.60, 286,992.12 and 132,089.84

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Solution

The fourth proportional to 191,423.60, 286,992.12 and 132,089.84 is: 198,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,423.60 : 286,992.12 = 132,089.84 : x
  2. Step 2: Convert to fraction form
    191,423.60/286,992.12 = 132,089.84/x
  3. Step 3: Cross multiply
    191,423.60x = 286,992.12 × 132,089.84
  4. Step 4: Simplify right side
    191,423.60x = 37,908,743,212.06
  5. Step 5: Solve for x
    x = 37,908,743,212.06/191,423.60
  6. Step 6: Final answer
    x = 198,035.89

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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.