Home / 109,629.60-164,444.40-101,853.60

Finding the Fourth Proportional to 109,629.60, 164,444.40 and 101,853.60

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Solution

The fourth proportional to 109,629.60, 164,444.40 and 101,853.60 is: 152,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,629.60 : 164,444.40 = 101,853.60 : x
  2. Step 2: Convert to fraction form
    109,629.60/164,444.40 = 101,853.60/x
  3. Step 3: Cross multiply
    109,629.60x = 164,444.40 × 101,853.60
  4. Step 4: Simplify right side
    109,629.60x = 16,749,254,139.84
  5. Step 5: Solve for x
    x = 16,749,254,139.84/109,629.60
  6. Step 6: Final answer
    x = 152,780.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.