Home / 162,263.73-223,923.93-90,643.77

Finding the Fourth Proportional to 162,263.73, 223,923.93 and 90,643.77

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Solution

The fourth proportional to 162,263.73, 223,923.93 and 90,643.77 is: 125,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,263.73 : 223,923.93 = 90,643.77 : x
  2. Step 2: Convert to fraction form
    162,263.73/223,923.93 = 90,643.77/x
  3. Step 3: Cross multiply
    162,263.73x = 223,923.93 × 90,643.77
  4. Step 4: Simplify right side
    162,263.73x = 20,297,309,208.42
  5. Step 5: Solve for x
    x = 20,297,309,208.42/162,263.73
  6. Step 6: Final answer
    x = 125,088.39

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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.