Home / 158,705.06-219,115.58-98,339.76

Finding the Fourth Proportional to 158,705.06, 219,115.58 and 98,339.76

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Solution

The fourth proportional to 158,705.06, 219,115.58 and 98,339.76 is: 135,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,705.06 : 219,115.58 = 98,339.76 : x
  2. Step 2: Convert to fraction form
    158,705.06/219,115.58 = 98,339.76/x
  3. Step 3: Cross multiply
    158,705.06x = 219,115.58 × 98,339.76
  4. Step 4: Simplify right side
    158,705.06x = 21,547,773,057.76
  5. Step 5: Solve for x
    x = 21,547,773,057.76/158,705.06
  6. Step 6: Final answer
    x = 135,772.44

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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.