Home / 147,878.49-221,900.77-59,138.91

Finding the Fourth Proportional to 147,878.49, 221,900.77 and 59,138.91

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Solution

The fourth proportional to 147,878.49, 221,900.77 and 59,138.91 is: 88,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,878.49 : 221,900.77 = 59,138.91 : x
  2. Step 2: Convert to fraction form
    147,878.49/221,900.77 = 59,138.91/x
  3. Step 3: Cross multiply
    147,878.49x = 221,900.77 × 59,138.91
  4. Step 4: Simplify right side
    147,878.49x = 13,122,969,407.23
  5. Step 5: Solve for x
    x = 13,122,969,407.23/147,878.49
  6. Step 6: Final answer
    x = 88,741.57

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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.