Home / 251,627.40-347,239.44-136,901.16

Finding the Fourth Proportional to 251,627.40, 347,239.44 and 136,901.16

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Solution

The fourth proportional to 251,627.40, 347,239.44 and 136,901.16 is: 188,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,627.40 : 347,239.44 = 136,901.16 : x
  2. Step 2: Convert to fraction form
    251,627.40/347,239.44 = 136,901.16/x
  3. Step 3: Cross multiply
    251,627.40x = 347,239.44 × 136,901.16
  4. Step 4: Simplify right side
    251,627.40x = 47,537,482,133.75
  5. Step 5: Solve for x
    x = 47,537,482,133.75/251,627.40
  6. Step 6: Final answer
    x = 188,920.13

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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.