Home / 118,106.64-177,116.76-39,206.16

Finding the Fourth Proportional to 118,106.64, 177,116.76 and 39,206.16

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Solution

The fourth proportional to 118,106.64, 177,116.76 and 39,206.16 is: 58,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,106.64 : 177,116.76 = 39,206.16 : x
  2. Step 2: Convert to fraction form
    118,106.64/177,116.76 = 39,206.16/x
  3. Step 3: Cross multiply
    118,106.64x = 177,116.76 × 39,206.16
  4. Step 4: Simplify right side
    118,106.64x = 6,944,068,031.24
  5. Step 5: Solve for x
    x = 6,944,068,031.24/118,106.64
  6. Step 6: Final answer
    x = 58,794.90

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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.