Home / 109,639.60-164,459.40-26,533.60

Finding the Fourth Proportional to 109,639.60, 164,459.40 and 26,533.60

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Solution

The fourth proportional to 109,639.60, 164,459.40 and 26,533.60 is: 39,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,639.60 : 164,459.40 = 26,533.60 : x
  2. Step 2: Convert to fraction form
    109,639.60/164,459.40 = 26,533.60/x
  3. Step 3: Cross multiply
    109,639.60x = 164,459.40 × 26,533.60
  4. Step 4: Simplify right side
    109,639.60x = 4,363,699,935.84
  5. Step 5: Solve for x
    x = 4,363,699,935.84/109,639.60
  6. Step 6: Final answer
    x = 39,800.40

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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.