Home / 177,124.80-265,502.64-77,258.18

Finding the Fourth Proportional to 177,124.80, 265,502.64 and 77,258.18

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Solution

The fourth proportional to 177,124.80, 265,502.64 and 77,258.18 is: 115,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,124.80 : 265,502.64 = 77,258.18 : x
  2. Step 2: Convert to fraction form
    177,124.80/265,502.64 = 77,258.18/x
  3. Step 3: Cross multiply
    177,124.80x = 265,502.64 × 77,258.18
  4. Step 4: Simplify right side
    177,124.80x = 20,512,250,751.60
  5. Step 5: Solve for x
    x = 20,512,250,751.60/177,124.80
  6. Step 6: Final answer
    x = 115,806.77

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1.5x scale

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.