Home / 111,278.00-153,570.33-68,262.35

Finding the Fourth Proportional to 111,278.00, 153,570.33 and 68,262.35

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Solution

The fourth proportional to 111,278.00, 153,570.33 and 68,262.35 is: 94,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,278.00 : 153,570.33 = 68,262.35 : x
  2. Step 2: Convert to fraction form
    111,278.00/153,570.33 = 68,262.35/x
  3. Step 3: Cross multiply
    111,278.00x = 153,570.33 × 68,262.35
  4. Step 4: Simplify right side
    111,278.00x = 10,483,070,848.22
  5. Step 5: Solve for x
    x = 10,483,070,848.22/111,278.00
  6. Step 6: Final answer
    x = 94,206.14

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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.