Home / 117,549.10-176,349.21-38,661.58

Finding the Fourth Proportional to 117,549.10, 176,349.21 and 38,661.58

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Solution

The fourth proportional to 117,549.10, 176,349.21 and 38,661.58 is: 58,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,549.10 : 176,349.21 = 38,661.58 : x
  2. Step 2: Convert to fraction form
    117,549.10/176,349.21 = 38,661.58/x
  3. Step 3: Cross multiply
    117,549.10x = 176,349.21 × 38,661.58
  4. Step 4: Simplify right side
    117,549.10x = 6,817,939,090.35
  5. Step 5: Solve for x
    x = 6,817,939,090.35/117,549.10
  6. Step 6: Final answer
    x = 58,000.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.