Home / 161,130.90-222,335.94-93,134.70

Finding the Fourth Proportional to 161,130.90, 222,335.94 and 93,134.70

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Solution

The fourth proportional to 161,130.90, 222,335.94 and 93,134.70 is: 128,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,130.90 : 222,335.94 = 93,134.70 : x
  2. Step 2: Convert to fraction form
    161,130.90/222,335.94 = 93,134.70/x
  3. Step 3: Cross multiply
    161,130.90x = 222,335.94 × 93,134.70
  4. Step 4: Simplify right side
    161,130.90x = 20,707,191,071.12
  5. Step 5: Solve for x
    x = 20,707,191,071.12/161,130.90
  6. Step 6: Final answer
    x = 128,511.61

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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.