Home / 253,433.02-349,699.94-153,925.84

Finding the Fourth Proportional to 253,433.02, 349,699.94 and 153,925.84

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Solution

The fourth proportional to 253,433.02, 349,699.94 and 153,925.84 is: 212,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,433.02 : 349,699.94 = 153,925.84 : x
  2. Step 2: Convert to fraction form
    253,433.02/349,699.94 = 153,925.84/x
  3. Step 3: Cross multiply
    253,433.02x = 349,699.94 × 153,925.84
  4. Step 4: Simplify right side
    253,433.02x = 53,827,857,012.45
  5. Step 5: Solve for x
    x = 53,827,857,012.45/253,433.02
  6. Step 6: Final answer
    x = 212,394.81

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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.