Home / 215,258.56-297,052.18-124,618.36

Finding the Fourth Proportional to 215,258.56, 297,052.18 and 124,618.36

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Solution

The fourth proportional to 215,258.56, 297,052.18 and 124,618.36 is: 171,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,258.56 : 297,052.18 = 124,618.36 : x
  2. Step 2: Convert to fraction form
    215,258.56/297,052.18 = 124,618.36/x
  3. Step 3: Cross multiply
    215,258.56x = 297,052.18 × 124,618.36
  4. Step 4: Simplify right side
    215,258.56x = 37,018,155,506.02
  5. Step 5: Solve for x
    x = 37,018,155,506.02/215,258.56
  6. Step 6: Final answer
    x = 171,970.65

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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.