Home / 176,427.64-243,416.51-99,934.58

Finding the Fourth Proportional to 176,427.64, 243,416.51 and 99,934.58

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Solution

The fourth proportional to 176,427.64, 243,416.51 and 99,934.58 is: 137,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,427.64 : 243,416.51 = 99,934.58 : x
  2. Step 2: Convert to fraction form
    176,427.64/243,416.51 = 99,934.58/x
  3. Step 3: Cross multiply
    176,427.64x = 243,416.51 × 99,934.58
  4. Step 4: Simplify right side
    176,427.64x = 24,325,727,175.54
  5. Step 5: Solve for x
    x = 24,325,727,175.54/176,427.64
  6. Step 6: Final answer
    x = 137,879.34

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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.