Home / 233,748.40-349,931.40-208,865.20

Finding the Fourth Proportional to 233,748.40, 349,931.40 and 208,865.20

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Solution

The fourth proportional to 233,748.40, 349,931.40 and 208,865.20 is: 312,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,748.40 : 349,931.40 = 208,865.20 : x
  2. Step 2: Convert to fraction form
    233,748.40/349,931.40 = 208,865.20/x
  3. Step 3: Cross multiply
    233,748.40x = 349,931.40 × 208,865.20
  4. Step 4: Simplify right side
    233,748.40x = 73,088,491,847.28
  5. Step 5: Solve for x
    x = 73,088,491,847.28/233,748.40
  6. Step 6: Final answer
    x = 312,680.18

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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.