Home / 176,646.45-243,816.77-100,211.10

Finding the Fourth Proportional to 176,646.45, 243,816.77 and 100,211.10

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Solution

The fourth proportional to 176,646.45, 243,816.77 and 100,211.10 is: 138,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,646.45 : 243,816.77 = 100,211.10 : x
  2. Step 2: Convert to fraction form
    176,646.45/243,816.77 = 100,211.10/x
  3. Step 3: Cross multiply
    176,646.45x = 243,816.77 × 100,211.10
  4. Step 4: Simplify right side
    176,646.45x = 24,433,146,219.09
  5. Step 5: Solve for x
    x = 24,433,146,219.09/176,646.45
  6. Step 6: Final answer
    x = 138,316.66

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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.