Home / 177,622.20-245,111.58-101,151.72

Finding the Fourth Proportional to 177,622.20, 245,111.58 and 101,151.72

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Solution

The fourth proportional to 177,622.20, 245,111.58 and 101,151.72 is: 139,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,622.20 : 245,111.58 = 101,151.72 : x
  2. Step 2: Convert to fraction form
    177,622.20/245,111.58 = 101,151.72/x
  3. Step 3: Cross multiply
    177,622.20x = 245,111.58 × 101,151.72
  4. Step 4: Simplify right side
    177,622.20x = 24,793,457,908.92
  5. Step 5: Solve for x
    x = 24,793,457,908.92/177,622.20
  6. Step 6: Final answer
    x = 139,585.36

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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.