Home / 161,964.60-223,509.62-89,368.16

Finding the Fourth Proportional to 161,964.60, 223,509.62 and 89,368.16

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Solution

The fourth proportional to 161,964.60, 223,509.62 and 89,368.16 is: 123,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,964.60 : 223,509.62 = 89,368.16 : x
  2. Step 2: Convert to fraction form
    161,964.60/223,509.62 = 89,368.16/x
  3. Step 3: Cross multiply
    161,964.60x = 223,509.62 × 89,368.16
  4. Step 4: Simplify right side
    161,964.60x = 19,974,641,917.31
  5. Step 5: Solve for x
    x = 19,974,641,917.31/161,964.60
  6. Step 6: Final answer
    x = 123,327.21

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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.