Home / 158,974.48-219,384.74-87,359.14

Finding the Fourth Proportional to 158,974.48, 219,384.74 and 87,359.14

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Solution

The fourth proportional to 158,974.48, 219,384.74 and 87,359.14 is: 120,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,974.48 : 219,384.74 = 87,359.14 : x
  2. Step 2: Convert to fraction form
    158,974.48/219,384.74 = 87,359.14/x
  3. Step 3: Cross multiply
    158,974.48x = 219,384.74 × 87,359.14
  4. Step 4: Simplify right side
    158,974.48x = 19,165,260,681.80
  5. Step 5: Solve for x
    x = 19,165,260,681.80/158,974.48
  6. Step 6: Final answer
    x = 120,555.58

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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.