Home / 170,261.81-234,971.91-93,780.89

Finding the Fourth Proportional to 170,261.81, 234,971.91 and 93,780.89

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Solution

The fourth proportional to 170,261.81, 234,971.91 and 93,780.89 is: 129,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,261.81 : 234,971.91 = 93,780.89 : x
  2. Step 2: Convert to fraction form
    170,261.81/234,971.91 = 93,780.89/x
  3. Step 3: Cross multiply
    170,261.81x = 234,971.91 × 93,780.89
  4. Step 4: Simplify right side
    170,261.81x = 22,035,874,844.80
  5. Step 5: Solve for x
    x = 22,035,874,844.80/170,261.81
  6. Step 6: Final answer
    x = 129,423.47

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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.