Home / 123,460.16-185,258.88-60,281.06

Finding the Fourth Proportional to 123,460.16, 185,258.88 and 60,281.06

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Solution

The fourth proportional to 123,460.16, 185,258.88 and 60,281.06 is: 90,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,460.16 : 185,258.88 = 60,281.06 : x
  2. Step 2: Convert to fraction form
    123,460.16/185,258.88 = 60,281.06/x
  3. Step 3: Cross multiply
    123,460.16x = 185,258.88 × 60,281.06
  4. Step 4: Simplify right side
    123,460.16x = 11,167,601,660.81
  5. Step 5: Solve for x
    x = 11,167,601,660.81/123,460.16
  6. Step 6: Final answer
    x = 90,455.10

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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.