Home / 177,530.40-265,906.80-157,831.20

Finding the Fourth Proportional to 177,530.40, 265,906.80 and 157,831.20

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Solution

The fourth proportional to 177,530.40, 265,906.80 and 157,831.20 is: 236,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,530.40 : 265,906.80 = 157,831.20 : x
  2. Step 2: Convert to fraction form
    177,530.40/265,906.80 = 157,831.20/x
  3. Step 3: Cross multiply
    177,530.40x = 265,906.80 × 157,831.20
  4. Step 4: Simplify right side
    177,530.40x = 41,968,389,332.16
  5. Step 5: Solve for x
    x = 41,968,389,332.16/177,530.40
  6. Step 6: Final answer
    x = 236,401.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.