Home / 152,428.90-228,643.35-63,681.70

Finding the Fourth Proportional to 152,428.90, 228,643.35 and 63,681.70

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Solution

The fourth proportional to 152,428.90, 228,643.35 and 63,681.70 is: 95,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,428.90 : 228,643.35 = 63,681.70 : x
  2. Step 2: Convert to fraction form
    152,428.90/228,643.35 = 63,681.70/x
  3. Step 3: Cross multiply
    152,428.90x = 228,643.35 × 63,681.70
  4. Step 4: Simplify right side
    152,428.90x = 14,560,397,221.70
  5. Step 5: Solve for x
    x = 14,560,397,221.70/152,428.90
  6. Step 6: Final answer
    x = 95,522.55

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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.