Home / 176,186.92-243,130.18-100,740.36

Finding the Fourth Proportional to 176,186.92, 243,130.18 and 100,740.36

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Solution

The fourth proportional to 176,186.92, 243,130.18 and 100,740.36 is: 139,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,186.92 : 243,130.18 = 100,740.36 : x
  2. Step 2: Convert to fraction form
    176,186.92/243,130.18 = 100,740.36/x
  3. Step 3: Cross multiply
    176,186.92x = 243,130.18 × 100,740.36
  4. Step 4: Simplify right side
    176,186.92x = 24,493,021,860.06
  5. Step 5: Solve for x
    x = 24,493,021,860.06/176,186.92
  6. Step 6: Final answer
    x = 139,017.25

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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.