Home / 250,423.18-375,696.42-72,931.66

Finding the Fourth Proportional to 250,423.18, 375,696.42 and 72,931.66

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Solution

The fourth proportional to 250,423.18, 375,696.42 and 72,931.66 is: 109,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,423.18 : 375,696.42 = 72,931.66 : x
  2. Step 2: Convert to fraction form
    250,423.18/375,696.42 = 72,931.66/x
  3. Step 3: Cross multiply
    250,423.18x = 375,696.42 × 72,931.66
  4. Step 4: Simplify right side
    250,423.18x = 27,400,163,566.66
  5. Step 5: Solve for x
    x = 27,400,163,566.66/250,423.18
  6. Step 6: Final answer
    x = 109,415.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.