Home / 161,124.15-222,345.14-89,508.67

Finding the Fourth Proportional to 161,124.15, 222,345.14 and 89,508.67

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Solution

The fourth proportional to 161,124.15, 222,345.14 and 89,508.67 is: 123,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,124.15 : 222,345.14 = 89,508.67 : x
  2. Step 2: Convert to fraction form
    161,124.15/222,345.14 = 89,508.67/x
  3. Step 3: Cross multiply
    161,124.15x = 222,345.14 × 89,508.67
  4. Step 4: Simplify right side
    161,124.15x = 19,901,817,986.14
  5. Step 5: Solve for x
    x = 19,901,817,986.14/161,124.15
  6. Step 6: Final answer
    x = 123,518.53

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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.