Home / 162,270.81-223,935.57-89,673.39

Finding the Fourth Proportional to 162,270.81, 223,935.57 and 89,673.39

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Solution

The fourth proportional to 162,270.81, 223,935.57 and 89,673.39 is: 123,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,270.81 : 223,935.57 = 89,673.39 : x
  2. Step 2: Convert to fraction form
    162,270.81/223,935.57 = 89,673.39/x
  3. Step 3: Cross multiply
    162,270.81x = 223,935.57 × 89,673.39
  4. Step 4: Simplify right side
    162,270.81x = 20,081,061,703.48
  5. Step 5: Solve for x
    x = 20,081,061,703.48/162,270.81
  6. Step 6: Final answer
    x = 123,750.30

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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.