Home / 176,452.42-243,533.37-128,863.30

Finding the Fourth Proportional to 176,452.42, 243,533.37 and 128,863.30

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Solution

The fourth proportional to 176,452.42, 243,533.37 and 128,863.30 is: 177,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,452.42 : 243,533.37 = 128,863.30 : x
  2. Step 2: Convert to fraction form
    176,452.42/243,533.37 = 128,863.30/x
  3. Step 3: Cross multiply
    176,452.42x = 243,533.37 × 128,863.30
  4. Step 4: Simplify right side
    176,452.42x = 31,382,513,718.32
  5. Step 5: Solve for x
    x = 31,382,513,718.32/176,452.42
  6. Step 6: Final answer
    x = 177,852.55

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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.