Home / 131,358.98-197,066.16-42,605.58

Finding the Fourth Proportional to 131,358.98, 197,066.16 and 42,605.58

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Solution

The fourth proportional to 131,358.98, 197,066.16 and 42,605.58 is: 63,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,358.98 : 197,066.16 = 42,605.58 : x
  2. Step 2: Convert to fraction form
    131,358.98/197,066.16 = 42,605.58/x
  3. Step 3: Cross multiply
    131,358.98x = 197,066.16 × 42,605.58
  4. Step 4: Simplify right side
    131,358.98x = 8,396,118,045.17
  5. Step 5: Solve for x
    x = 8,396,118,045.17/131,358.98
  6. Step 6: Final answer
    x = 63,917.35

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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.