Home / 358,701.18-495,001.56-197,571.30

Finding the Fourth Proportional to 358,701.18, 495,001.56 and 197,571.30

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Solution

The fourth proportional to 358,701.18, 495,001.56 and 197,571.30 is: 272,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,701.18 : 495,001.56 = 197,571.30 : x
  2. Step 2: Convert to fraction form
    358,701.18/495,001.56 = 197,571.30/x
  3. Step 3: Cross multiply
    358,701.18x = 495,001.56 × 197,571.30
  4. Step 4: Simplify right side
    358,701.18x = 97,798,101,711.23
  5. Step 5: Solve for x
    x = 97,798,101,711.23/358,701.18
  6. Step 6: Final answer
    x = 272,645.05

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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.