Home / 153,740.70-212,081.49-125,092.35

Finding the Fourth Proportional to 153,740.70, 212,081.49 and 125,092.35

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Solution

The fourth proportional to 153,740.70, 212,081.49 and 125,092.35 is: 172,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,740.70 : 212,081.49 = 125,092.35 : x
  2. Step 2: Convert to fraction form
    153,740.70/212,081.49 = 125,092.35/x
  3. Step 3: Cross multiply
    153,740.70x = 212,081.49 × 125,092.35
  4. Step 4: Simplify right side
    153,740.70x = 26,529,771,975.60
  5. Step 5: Solve for x
    x = 26,529,771,975.60/153,740.70
  6. Step 6: Final answer
    x = 172,561.80

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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.