Home / 119,782.04-165,346.47-72,026.15

Finding the Fourth Proportional to 119,782.04, 165,346.47 and 72,026.15

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Solution

The fourth proportional to 119,782.04, 165,346.47 and 72,026.15 is: 99,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782.04 : 165,346.47 = 72,026.15 : x
  2. Step 2: Convert to fraction form
    119,782.04/165,346.47 = 72,026.15/x
  3. Step 3: Cross multiply
    119,782.04x = 165,346.47 × 72,026.15
  4. Step 4: Simplify right side
    119,782.04x = 11,909,268,823.46
  5. Step 5: Solve for x
    x = 11,909,268,823.46/119,782.04
  6. Step 6: Final answer
    x = 99,424.50

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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.