Home / 210,629.40-316,077.48-153,596.76

Finding the Fourth Proportional to 210,629.40, 316,077.48 and 153,596.76

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Solution

The fourth proportional to 210,629.40, 316,077.48 and 153,596.76 is: 230,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,629.40 : 316,077.48 = 153,596.76 : x
  2. Step 2: Convert to fraction form
    210,629.40/316,077.48 = 153,596.76/x
  3. Step 3: Cross multiply
    210,629.40x = 316,077.48 × 153,596.76
  4. Step 4: Simplify right side
    210,629.40x = 48,548,476,836.96
  5. Step 5: Solve for x
    x = 48,548,476,836.96/210,629.40
  6. Step 6: Final answer
    x = 230,492.40

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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.