Home / 177,189.94-243,999.48-158,320.18

Finding the Fourth Proportional to 177,189.94, 243,999.48 and 158,320.18

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Solution

The fourth proportional to 177,189.94, 243,999.48 and 158,320.18 is: 218,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,189.94 : 243,999.48 = 158,320.18 : x
  2. Step 2: Convert to fraction form
    177,189.94/243,999.48 = 158,320.18/x
  3. Step 3: Cross multiply
    177,189.94x = 243,999.48 × 158,320.18
  4. Step 4: Simplify right side
    177,189.94x = 38,630,041,593.51
  5. Step 5: Solve for x
    x = 38,630,041,593.51/177,189.94
  6. Step 6: Final answer
    x = 218,014.87

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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.