Home / 168,920.28-233,106.66-93,468.78

Finding the Fourth Proportional to 168,920.28, 233,106.66 and 93,468.78

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Solution

The fourth proportional to 168,920.28, 233,106.66 and 93,468.78 is: 128,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,920.28 : 233,106.66 = 93,468.78 : x
  2. Step 2: Convert to fraction form
    168,920.28/233,106.66 = 93,468.78/x
  3. Step 3: Cross multiply
    168,920.28x = 233,106.66 × 93,468.78
  4. Step 4: Simplify right side
    168,920.28x = 21,788,195,120.07
  5. Step 5: Solve for x
    x = 21,788,195,120.07/168,920.28
  6. Step 6: Final answer
    x = 128,985.08

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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.