Home / 253,437.20-349,708.74-151,441.10

Finding the Fourth Proportional to 253,437.20, 349,708.74 and 151,441.10

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Solution

The fourth proportional to 253,437.20, 349,708.74 and 151,441.10 is: 208,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,437.20 : 349,708.74 = 151,441.10 : x
  2. Step 2: Convert to fraction form
    253,437.20/349,708.74 = 151,441.10/x
  3. Step 3: Cross multiply
    253,437.20x = 349,708.74 × 151,441.10
  4. Step 4: Simplify right side
    253,437.20x = 52,960,276,265.21
  5. Step 5: Solve for x
    x = 52,960,276,265.21/253,437.20
  6. Step 6: Final answer
    x = 208,968.05

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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.