Home / 177,627.24-245,018.34-117,176.40

Finding the Fourth Proportional to 177,627.24, 245,018.34 and 117,176.40

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Solution

The fourth proportional to 177,627.24, 245,018.34 and 117,176.40 is: 161,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,627.24 : 245,018.34 = 117,176.40 : x
  2. Step 2: Convert to fraction form
    177,627.24/245,018.34 = 117,176.40/x
  3. Step 3: Cross multiply
    177,627.24x = 245,018.34 × 117,176.40
  4. Step 4: Simplify right side
    177,627.24x = 28,710,367,015.18
  5. Step 5: Solve for x
    x = 28,710,367,015.18/177,627.24
  6. Step 6: Final answer
    x = 161,632.68

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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.