Home / 113,622.04-156,798.94-65,903.64

Finding the Fourth Proportional to 113,622.04, 156,798.94 and 65,903.64

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Solution

The fourth proportional to 113,622.04, 156,798.94 and 65,903.64 is: 90,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,622.04 : 156,798.94 = 65,903.64 : x
  2. Step 2: Convert to fraction form
    113,622.04/156,798.94 = 65,903.64/x
  3. Step 3: Cross multiply
    113,622.04x = 156,798.94 × 65,903.64
  4. Step 4: Simplify right side
    113,622.04x = 10,333,620,894.14
  5. Step 5: Solve for x
    x = 10,333,620,894.14/113,622.04
  6. Step 6: Final answer
    x = 90,947.33

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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.