Home / 191,639.03-287,493.24-79,258.28

Finding the Fourth Proportional to 191,639.03, 287,493.24 and 79,258.28

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Solution

The fourth proportional to 191,639.03, 287,493.24 and 79,258.28 is: 118,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,639.03 : 287,493.24 = 79,258.28 : x
  2. Step 2: Convert to fraction form
    191,639.03/287,493.24 = 79,258.28/x
  3. Step 3: Cross multiply
    191,639.03x = 287,493.24 × 79,258.28
  4. Step 4: Simplify right side
    191,639.03x = 22,786,219,714.03
  5. Step 5: Solve for x
    x = 22,786,219,714.03/191,639.03
  6. Step 6: Final answer
    x = 118,901.77

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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.