Home / 369,742.98-510,248.16-216,785.10

Finding the Fourth Proportional to 369,742.98, 510,248.16 and 216,785.10

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Solution

The fourth proportional to 369,742.98, 510,248.16 and 216,785.10 is: 299,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,742.98 : 510,248.16 = 216,785.10 : x
  2. Step 2: Convert to fraction form
    369,742.98/510,248.16 = 216,785.10/x
  3. Step 3: Cross multiply
    369,742.98x = 510,248.16 × 216,785.10
  4. Step 4: Simplify right side
    369,742.98x = 110,614,198,390.42
  5. Step 5: Solve for x
    x = 110,614,198,390.42/369,742.98
  6. Step 6: Final answer
    x = 299,165.11

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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.