Home / 288,583.49-432,881.38-99,043.04

Finding the Fourth Proportional to 288,583.49, 432,881.38 and 99,043.04

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Solution

The fourth proportional to 288,583.49, 432,881.38 and 99,043.04 is: 148,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,583.49 : 432,881.38 = 99,043.04 : x
  2. Step 2: Convert to fraction form
    288,583.49/432,881.38 = 99,043.04/x
  3. Step 3: Cross multiply
    288,583.49x = 432,881.38 × 99,043.04
  4. Step 4: Simplify right side
    288,583.49x = 42,873,885,670.19
  5. Step 5: Solve for x
    x = 42,873,885,670.19/288,583.49
  6. Step 6: Final answer
    x = 148,566.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.