Home / 369,066.40-553,570.80-144,383.20

Finding the Fourth Proportional to 369,066.40, 553,570.80 and 144,383.20

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Solution

The fourth proportional to 369,066.40, 553,570.80 and 144,383.20 is: 216,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,066.40 : 553,570.80 = 144,383.20 : x
  2. Step 2: Convert to fraction form
    369,066.40/553,570.80 = 144,383.20/x
  3. Step 3: Cross multiply
    369,066.40x = 553,570.80 × 144,383.20
  4. Step 4: Simplify right side
    369,066.40x = 79,926,323,530.56
  5. Step 5: Solve for x
    x = 79,926,323,530.56/369,066.40
  6. Step 6: Final answer
    x = 216,563.53

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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.