Home / 207,265.46-310,898.18-57,505.77

Finding the Fourth Proportional to 207,265.46, 310,898.18 and 57,505.77

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Solution

The fourth proportional to 207,265.46, 310,898.18 and 57,505.77 is: 86,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,265.46 : 310,898.18 = 57,505.77 : x
  2. Step 2: Convert to fraction form
    207,265.46/310,898.18 = 57,505.77/x
  3. Step 3: Cross multiply
    207,265.46x = 310,898.18 × 57,505.77
  4. Step 4: Simplify right side
    207,265.46x = 17,878,439,376.26
  5. Step 5: Solve for x
    x = 17,878,439,376.26/207,265.46
  6. Step 6: Final answer
    x = 86,258.66

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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.