Home / 358,701.18-495,030.03-197,556.18

Finding the Fourth Proportional to 358,701.18, 495,030.03 and 197,556.18

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Solution

The fourth proportional to 358,701.18, 495,030.03 and 197,556.18 is: 272,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,701.18 : 495,030.03 = 197,556.18 : x
  2. Step 2: Convert to fraction form
    358,701.18/495,030.03 = 197,556.18/x
  3. Step 3: Cross multiply
    358,701.18x = 495,030.03 × 197,556.18
  4. Step 4: Simplify right side
    358,701.18x = 97,796,241,712.09
  5. Step 5: Solve for x
    x = 97,796,241,712.09/358,701.18
  6. Step 6: Final answer
    x = 272,639.87

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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.