Home / 114,021.36-157,337.28-66,264.72

Finding the Fourth Proportional to 114,021.36, 157,337.28 and 66,264.72

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Solution

The fourth proportional to 114,021.36, 157,337.28 and 66,264.72 is: 91,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,021.36 : 157,337.28 = 66,264.72 : x
  2. Step 2: Convert to fraction form
    114,021.36/157,337.28 = 66,264.72/x
  3. Step 3: Cross multiply
    114,021.36x = 157,337.28 × 66,264.72
  4. Step 4: Simplify right side
    114,021.36x = 10,425,910,804.76
  5. Step 5: Solve for x
    x = 10,425,910,804.76/114,021.36
  6. Step 6: Final answer
    x = 91,438.23

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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.