Home / 302,740.36-417,776.74-166,787.24

Finding the Fourth Proportional to 302,740.36, 417,776.74 and 166,787.24

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Solution

The fourth proportional to 302,740.36, 417,776.74 and 166,787.24 is: 230,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,740.36 : 417,776.74 = 166,787.24 : x
  2. Step 2: Convert to fraction form
    302,740.36/417,776.74 = 166,787.24/x
  3. Step 3: Cross multiply
    302,740.36x = 417,776.74 × 166,787.24
  4. Step 4: Simplify right side
    302,740.36x = 69,679,829,400.80
  5. Step 5: Solve for x
    x = 69,679,829,400.80/302,740.36
  6. Step 6: Final answer
    x = 230,163.66

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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.