Home / 162,199.08-223,838.08-90,579.16

Finding the Fourth Proportional to 162,199.08, 223,838.08 and 90,579.16

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Solution

The fourth proportional to 162,199.08, 223,838.08 and 90,579.16 is: 125,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,199.08 : 223,838.08 = 90,579.16 : x
  2. Step 2: Convert to fraction form
    162,199.08/223,838.08 = 90,579.16/x
  3. Step 3: Cross multiply
    162,199.08x = 223,838.08 × 90,579.16
  4. Step 4: Simplify right side
    162,199.08x = 20,275,065,825.27
  5. Step 5: Solve for x
    x = 20,275,065,825.27/162,199.08
  6. Step 6: Final answer
    x = 125,001.11

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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.