Home / 147,883.50-204,064.61-90,539.01

Finding the Fourth Proportional to 147,883.50, 204,064.61 and 90,539.01

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Solution

The fourth proportional to 147,883.50, 204,064.61 and 90,539.01 is: 124,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,883.50 : 204,064.61 = 90,539.01 : x
  2. Step 2: Convert to fraction form
    147,883.50/204,064.61 = 90,539.01/x
  3. Step 3: Cross multiply
    147,883.50x = 204,064.61 × 90,539.01
  4. Step 4: Simplify right side
    147,883.50x = 18,475,807,312.74
  5. Step 5: Solve for x
    x = 18,475,807,312.74/147,883.50
  6. Step 6: Final answer
    x = 124,934.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.