Home / 111,283.07-153,567.29-63,527.09

Finding the Fourth Proportional to 111,283.07, 153,567.29 and 63,527.09

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Solution

The fourth proportional to 111,283.07, 153,567.29 and 63,527.09 is: 87,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,283.07 : 153,567.29 = 63,527.09 : x
  2. Step 2: Convert to fraction form
    111,283.07/153,567.29 = 63,527.09/x
  3. Step 3: Cross multiply
    111,283.07x = 153,567.29 × 63,527.09
  4. Step 4: Simplify right side
    111,283.07x = 9,755,682,443.87
  5. Step 5: Solve for x
    x = 9,755,682,443.87/111,283.07
  6. Step 6: Final answer
    x = 87,665.47

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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.