Home / 176,173.04-243,118.96-100,723.12

Finding the Fourth Proportional to 176,173.04, 243,118.96 and 100,723.12

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Solution

The fourth proportional to 176,173.04, 243,118.96 and 100,723.12 is: 138,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,173.04 : 243,118.96 = 100,723.12 : x
  2. Step 2: Convert to fraction form
    176,173.04/243,118.96 = 100,723.12/x
  3. Step 3: Cross multiply
    176,173.04x = 243,118.96 × 100,723.12
  4. Step 4: Simplify right side
    176,173.04x = 24,487,700,182.36
  5. Step 5: Solve for x
    x = 24,487,700,182.36/176,173.04
  6. Step 6: Final answer
    x = 138,998.00

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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.