Home / 251,715.45-347,373.73-137,000.32

Finding the Fourth Proportional to 251,715.45, 347,373.73 and 137,000.32

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Solution

The fourth proportional to 251,715.45, 347,373.73 and 137,000.32 is: 189,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,715.45 : 347,373.73 = 137,000.32 : x
  2. Step 2: Convert to fraction form
    251,715.45/347,373.73 = 137,000.32/x
  3. Step 3: Cross multiply
    251,715.45x = 347,373.73 × 137,000.32
  4. Step 4: Simplify right side
    251,715.45x = 47,590,312,169.59
  5. Step 5: Solve for x
    x = 47,590,312,169.59/251,715.45
  6. Step 6: Final answer
    x = 189,063.93

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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.