Home / 127,773.12-176,430.72-114,320.64

Finding the Fourth Proportional to 127,773.12, 176,430.72 and 114,320.64

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Solution

The fourth proportional to 127,773.12, 176,430.72 and 114,320.64 is: 157,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,773.12 : 176,430.72 = 114,320.64 : x
  2. Step 2: Convert to fraction form
    127,773.12/176,430.72 = 114,320.64/x
  3. Step 3: Cross multiply
    127,773.12x = 176,430.72 × 114,320.64
  4. Step 4: Simplify right side
    127,773.12x = 20,169,672,826.06
  5. Step 5: Solve for x
    x = 20,169,672,826.06/127,773.12
  6. Step 6: Final answer
    x = 157,855.37

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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.