Home / 152,476.74-228,737.16-57,681.21

Finding the Fourth Proportional to 152,476.74, 228,737.16 and 57,681.21

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Solution

The fourth proportional to 152,476.74, 228,737.16 and 57,681.21 is: 86,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,476.74 : 228,737.16 = 57,681.21 : x
  2. Step 2: Convert to fraction form
    152,476.74/228,737.16 = 57,681.21/x
  3. Step 3: Cross multiply
    152,476.74x = 228,737.16 × 57,681.21
  4. Step 4: Simplify right side
    152,476.74x = 13,193,836,160.76
  5. Step 5: Solve for x
    x = 13,193,836,160.76/152,476.74
  6. Step 6: Final answer
    x = 86,530.16

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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.