Home / 111,610.08-154,005.60-63,854.40

Finding the Fourth Proportional to 111,610.08, 154,005.60 and 63,854.40

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Solution

The fourth proportional to 111,610.08, 154,005.60 and 63,854.40 is: 88,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,610.08 : 154,005.60 = 63,854.40 : x
  2. Step 2: Convert to fraction form
    111,610.08/154,005.60 = 63,854.40/x
  3. Step 3: Cross multiply
    111,610.08x = 154,005.60 × 63,854.40
  4. Step 4: Simplify right side
    111,610.08x = 9,833,935,184.64
  5. Step 5: Solve for x
    x = 9,833,935,184.64/111,610.08
  6. Step 6: Final answer
    x = 88,109.74

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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.