Home / 130,847.07-180,387.56-88,338.27

Finding the Fourth Proportional to 130,847.07, 180,387.56 and 88,338.27

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Solution

The fourth proportional to 130,847.07, 180,387.56 and 88,338.27 is: 121,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,847.07 : 180,387.56 = 88,338.27 : x
  2. Step 2: Convert to fraction form
    130,847.07/180,387.56 = 88,338.27/x
  3. Step 3: Cross multiply
    130,847.07x = 180,387.56 × 88,338.27
  4. Step 4: Simplify right side
    130,847.07x = 15,935,124,538.23
  5. Step 5: Solve for x
    x = 15,935,124,538.23/130,847.07
  6. Step 6: Final answer
    x = 121,784.34

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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.