Home / 161,967.10-223,513.06-89,370.66

Finding the Fourth Proportional to 161,967.10, 223,513.06 and 89,370.66

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Solution

The fourth proportional to 161,967.10, 223,513.06 and 89,370.66 is: 123,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,967.10 : 223,513.06 = 89,370.66 : x
  2. Step 2: Convert to fraction form
    161,967.10/223,513.06 = 89,370.66/x
  3. Step 3: Cross multiply
    161,967.10x = 223,513.06 × 89,370.66
  4. Step 4: Simplify right side
    161,967.10x = 19,975,509,690.82
  5. Step 5: Solve for x
    x = 19,975,509,690.82/161,967.10
  6. Step 6: Final answer
    x = 123,330.66

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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.