Home / 161,902.28-223,425.36-89,303.54

Finding the Fourth Proportional to 161,902.28, 223,425.36 and 89,303.54

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Solution

The fourth proportional to 161,902.28, 223,425.36 and 89,303.54 is: 123,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,902.28 : 223,425.36 = 89,303.54 : x
  2. Step 2: Convert to fraction form
    161,902.28/223,425.36 = 89,303.54/x
  3. Step 3: Cross multiply
    161,902.28x = 223,425.36 × 89,303.54
  4. Step 4: Simplify right side
    161,902.28x = 19,952,676,132.34
  5. Step 5: Solve for x
    x = 19,952,676,132.34/161,902.28
  6. Step 6: Final answer
    x = 123,239.00

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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.