Home / 236,345.01-326,157.14-128,917.35

Finding the Fourth Proportional to 236,345.01, 326,157.14 and 128,917.35

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Solution

The fourth proportional to 236,345.01, 326,157.14 and 128,917.35 is: 177,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,345.01 : 326,157.14 = 128,917.35 : x
  2. Step 2: Convert to fraction form
    236,345.01/326,157.14 = 128,917.35/x
  3. Step 3: Cross multiply
    236,345.01x = 326,157.14 × 128,917.35
  4. Step 4: Simplify right side
    236,345.01x = 42,047,313,527.79
  5. Step 5: Solve for x
    x = 42,047,313,527.79/236,345.01
  6. Step 6: Final answer
    x = 177,906.50

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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.