Home / 181,516.32-272,326.32-76,281.12

Finding the Fourth Proportional to 181,516.32, 272,326.32 and 76,281.12

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Solution

The fourth proportional to 181,516.32, 272,326.32 and 76,281.12 is: 114,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,516.32 : 272,326.32 = 76,281.12 : x
  2. Step 2: Convert to fraction form
    181,516.32/272,326.32 = 76,281.12/x
  3. Step 3: Cross multiply
    181,516.32x = 272,326.32 × 76,281.12
  4. Step 4: Simplify right side
    181,516.32x = 20,773,356,695.08
  5. Step 5: Solve for x
    x = 20,773,356,695.08/181,516.32
  6. Step 6: Final answer
    x = 114,443.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.