Home / 147,876.40-221,681.52-53,084.26

Finding the Fourth Proportional to 147,876.40, 221,681.52 and 53,084.26

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Solution

The fourth proportional to 147,876.40, 221,681.52 and 53,084.26 is: 79,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,876.40 : 221,681.52 = 53,084.26 : x
  2. Step 2: Convert to fraction form
    147,876.40/221,681.52 = 53,084.26/x
  3. Step 3: Cross multiply
    147,876.40x = 221,681.52 × 53,084.26
  4. Step 4: Simplify right side
    147,876.40x = 11,767,799,444.88
  5. Step 5: Solve for x
    x = 11,767,799,444.88/147,876.40
  6. Step 6: Final answer
    x = 79,578.62

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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.