Home / 253,700.04-349,973.33-156,872.95

Finding the Fourth Proportional to 253,700.04, 349,973.33 and 156,872.95

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Solution

The fourth proportional to 253,700.04, 349,973.33 and 156,872.95 is: 216,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,700.04 : 349,973.33 = 156,872.95 : x
  2. Step 2: Convert to fraction form
    253,700.04/349,973.33 = 156,872.95/x
  3. Step 3: Cross multiply
    253,700.04x = 349,973.33 × 156,872.95
  4. Step 4: Simplify right side
    253,700.04x = 54,901,346,824.13
  5. Step 5: Solve for x
    x = 54,901,346,824.13/253,700.04
  6. Step 6: Final answer
    x = 216,402.59

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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.