Home / 162,069.49-223,671.44-90,456.18

Finding the Fourth Proportional to 162,069.49, 223,671.44 and 90,456.18

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Solution

The fourth proportional to 162,069.49, 223,671.44 and 90,456.18 is: 124,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,069.49 : 223,671.44 = 90,456.18 : x
  2. Step 2: Convert to fraction form
    162,069.49/223,671.44 = 90,456.18/x
  3. Step 3: Cross multiply
    162,069.49x = 223,671.44 × 90,456.18
  4. Step 4: Simplify right side
    162,069.49x = 20,232,463,424.87
  5. Step 5: Solve for x
    x = 20,232,463,424.87/162,069.49
  6. Step 6: Final answer
    x = 124,838.20

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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.