Home / 132,750.48-183,189.35-72,320.84

Finding the Fourth Proportional to 132,750.48, 183,189.35 and 72,320.84

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Solution

The fourth proportional to 132,750.48, 183,189.35 and 72,320.84 is: 99,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,750.48 : 183,189.35 = 72,320.84 : x
  2. Step 2: Convert to fraction form
    132,750.48/183,189.35 = 72,320.84/x
  3. Step 3: Cross multiply
    132,750.48x = 183,189.35 × 72,320.84
  4. Step 4: Simplify right side
    132,750.48x = 13,248,406,393.50
  5. Step 5: Solve for x
    x = 13,248,406,393.50/132,750.48
  6. Step 6: Final answer
    x = 99,799.31

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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.