Home / 124,171.64-171,351.78-70,455.51

Finding the Fourth Proportional to 124,171.64, 171,351.78 and 70,455.51

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Solution

The fourth proportional to 124,171.64, 171,351.78 and 70,455.51 is: 97,225.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,171.64 : 171,351.78 = 70,455.51 : x
  2. Step 2: Convert to fraction form
    124,171.64/171,351.78 = 70,455.51/x
  3. Step 3: Cross multiply
    124,171.64x = 171,351.78 × 70,455.51
  4. Step 4: Simplify right side
    124,171.64x = 12,072,677,049.31
  5. Step 5: Solve for x
    x = 12,072,677,049.31/124,171.64
  6. Step 6: Final answer
    x = 97,225.72

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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.