Home / 175,985.42-242,858.40-99,519.53

Finding the Fourth Proportional to 175,985.42, 242,858.40 and 99,519.53

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Solution

The fourth proportional to 175,985.42, 242,858.40 and 99,519.53 is: 137,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,985.42 : 242,858.40 = 99,519.53 : x
  2. Step 2: Convert to fraction form
    175,985.42/242,858.40 = 99,519.53/x
  3. Step 3: Cross multiply
    175,985.42x = 242,858.40 × 99,519.53
  4. Step 4: Simplify right side
    175,985.42x = 24,169,152,610.26
  5. Step 5: Solve for x
    x = 24,169,152,610.26/175,985.42
  6. Step 6: Final answer
    x = 137,336.11

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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.