Home / 131,214.16-181,068.91-74,624.32

Finding the Fourth Proportional to 131,214.16, 181,068.91 and 74,624.32

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Solution

The fourth proportional to 131,214.16, 181,068.91 and 74,624.32 is: 102,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,214.16 : 181,068.91 = 74,624.32 : x
  2. Step 2: Convert to fraction form
    131,214.16/181,068.91 = 74,624.32/x
  3. Step 3: Cross multiply
    131,214.16x = 181,068.91 × 74,624.32
  4. Step 4: Simplify right side
    131,214.16x = 13,512,144,281.89
  5. Step 5: Solve for x
    x = 13,512,144,281.89/131,214.16
  6. Step 6: Final answer
    x = 102,977.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.