Home / 251,645.98-347,261-136,925.07

Finding the Fourth Proportional to 251,645.98, 347,261 and 136,925.07

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Solution

The fourth proportional to 251,645.98, 347,261 and 136,925.07 is: 188,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,645.98 : 347,261 = 136,925.07 : x
  2. Step 2: Convert to fraction form
    251,645.98/347,261 = 136,925.07/x
  3. Step 3: Cross multiply
    251,645.98x = 347,261 × 136,925.07
  4. Step 4: Simplify right side
    251,645.98x = 47,548,736,733.27
  5. Step 5: Solve for x
    x = 47,548,736,733.27/251,645.98
  6. Step 6: Final answer
    x = 188,950.91

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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.