Home / 111,267.88-153,560.66-63,528.40

Finding the Fourth Proportional to 111,267.88, 153,560.66 and 63,528.40

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Solution

The fourth proportional to 111,267.88, 153,560.66 and 63,528.40 is: 87,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,267.88 : 153,560.66 = 63,528.40 : x
  2. Step 2: Convert to fraction form
    111,267.88/153,560.66 = 63,528.40/x
  3. Step 3: Cross multiply
    111,267.88x = 153,560.66 × 63,528.40
  4. Step 4: Simplify right side
    111,267.88x = 9,755,463,264.40
  5. Step 5: Solve for x
    x = 9,755,463,264.40/111,267.88
  6. Step 6: Final answer
    x = 87,675.47

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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.