Home / 236,448.18-326,353.32-155,889.90

Finding the Fourth Proportional to 236,448.18, 326,353.32 and 155,889.90

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Solution

The fourth proportional to 236,448.18, 326,353.32 and 155,889.90 is: 215,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,448.18 : 326,353.32 = 155,889.90 : x
  2. Step 2: Convert to fraction form
    236,448.18/326,353.32 = 155,889.90/x
  3. Step 3: Cross multiply
    236,448.18x = 326,353.32 × 155,889.90
  4. Step 4: Simplify right side
    236,448.18x = 50,875,186,419.47
  5. Step 5: Solve for x
    x = 50,875,186,419.47/236,448.18
  6. Step 6: Final answer
    x = 215,164.21

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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.