Home / 334,336.19-501,502.55-81,618.02

Finding the Fourth Proportional to 334,336.19, 501,502.55 and 81,618.02

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Solution

The fourth proportional to 334,336.19, 501,502.55 and 81,618.02 is: 122,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,336.19 : 501,502.55 = 81,618.02 : x
  2. Step 2: Convert to fraction form
    334,336.19/501,502.55 = 81,618.02/x
  3. Step 3: Cross multiply
    334,336.19x = 501,502.55 × 81,618.02
  4. Step 4: Simplify right side
    334,336.19x = 40,931,642,240.35
  5. Step 5: Solve for x
    x = 40,931,642,240.35/334,336.19
  6. Step 6: Final answer
    x = 122,426.60

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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.