Home / 176,497.28-243,886.56-128,667.20

Finding the Fourth Proportional to 176,497.28, 243,886.56 and 128,667.20

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Solution

The fourth proportional to 176,497.28, 243,886.56 and 128,667.20 is: 177,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,497.28 : 243,886.56 = 128,667.20 : x
  2. Step 2: Convert to fraction form
    176,497.28/243,886.56 = 128,667.20/x
  3. Step 3: Cross multiply
    176,497.28x = 243,886.56 × 128,667.20
  4. Step 4: Simplify right side
    176,497.28x = 31,380,200,792.83
  5. Step 5: Solve for x
    x = 31,380,200,792.83/176,497.28
  6. Step 6: Final answer
    x = 177,794.25

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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.