Home / 161,285.12-222,555.68-93,303.36

Finding the Fourth Proportional to 161,285.12, 222,555.68 and 93,303.36

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Solution

The fourth proportional to 161,285.12, 222,555.68 and 93,303.36 is: 128,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,285.12 : 222,555.68 = 93,303.36 : x
  2. Step 2: Convert to fraction form
    161,285.12/222,555.68 = 93,303.36/x
  3. Step 3: Cross multiply
    161,285.12x = 222,555.68 × 93,303.36
  4. Step 4: Simplify right side
    161,285.12x = 20,765,192,731.08
  5. Step 5: Solve for x
    x = 20,765,192,731.08/161,285.12
  6. Step 6: Final answer
    x = 128,748.35

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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.