Home / 111,775.10-154,250.66-60,788.32

Finding the Fourth Proportional to 111,775.10, 154,250.66 and 60,788.32

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Solution

The fourth proportional to 111,775.10, 154,250.66 and 60,788.32 is: 83,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,775.10 : 154,250.66 = 60,788.32 : x
  2. Step 2: Convert to fraction form
    111,775.10/154,250.66 = 60,788.32/x
  3. Step 3: Cross multiply
    111,775.10x = 154,250.66 × 60,788.32
  4. Step 4: Simplify right side
    111,775.10x = 9,376,638,246.64
  5. Step 5: Solve for x
    x = 9,376,638,246.64/111,775.10
  6. Step 6: Final answer
    x = 83,888.44

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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.