Home / 164,905.40-247,358.10-105,856.40

Finding the Fourth Proportional to 164,905.40, 247,358.10 and 105,856.40

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Solution

The fourth proportional to 164,905.40, 247,358.10 and 105,856.40 is: 158,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,905.40 : 247,358.10 = 105,856.40 : x
  2. Step 2: Convert to fraction form
    164,905.40/247,358.10 = 105,856.40/x
  3. Step 3: Cross multiply
    164,905.40x = 247,358.10 × 105,856.40
  4. Step 4: Simplify right side
    164,905.40x = 26,184,437,976.84
  5. Step 5: Solve for x
    x = 26,184,437,976.84/164,905.40
  6. Step 6: Final answer
    x = 158,784.60

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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.