Home / 191,508.40-286,582.20-166,819.60

Finding the Fourth Proportional to 191,508.40, 286,582.20 and 166,819.60

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Solution

The fourth proportional to 191,508.40, 286,582.20 and 166,819.60 is: 249,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,508.40 : 286,582.20 = 166,819.60 : x
  2. Step 2: Convert to fraction form
    191,508.40/286,582.20 = 166,819.60/x
  3. Step 3: Cross multiply
    191,508.40x = 286,582.20 × 166,819.60
  4. Step 4: Simplify right side
    191,508.40x = 47,807,527,971.12
  5. Step 5: Solve for x
    x = 47,807,527,971.12/191,508.40
  6. Step 6: Final answer
    x = 249,636.72

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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.