Home / 116,667.60-160,762.44-109,319.28

Finding the Fourth Proportional to 116,667.60, 160,762.44 and 109,319.28

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Solution

The fourth proportional to 116,667.60, 160,762.44 and 109,319.28 is: 150,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,667.60 : 160,762.44 = 109,319.28 : x
  2. Step 2: Convert to fraction form
    116,667.60/160,762.44 = 109,319.28/x
  3. Step 3: Cross multiply
    116,667.60x = 160,762.44 × 109,319.28
  4. Step 4: Simplify right side
    116,667.60x = 17,574,434,191.84
  5. Step 5: Solve for x
    x = 17,574,434,191.84/116,667.60
  6. Step 6: Final answer
    x = 150,636.80

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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.