Home / 161,688.12-223,134.66-92,790.18

Finding the Fourth Proportional to 161,688.12, 223,134.66 and 92,790.18

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Solution

The fourth proportional to 161,688.12, 223,134.66 and 92,790.18 is: 128,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,688.12 : 223,134.66 = 92,790.18 : x
  2. Step 2: Convert to fraction form
    161,688.12/223,134.66 = 92,790.18/x
  3. Step 3: Cross multiply
    161,688.12x = 223,134.66 × 92,790.18
  4. Step 4: Simplify right side
    161,688.12x = 20,704,705,265.64
  5. Step 5: Solve for x
    x = 20,704,705,265.64/161,688.12
  6. Step 6: Final answer
    x = 128,053.35

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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.