Home / 119,867.47-165,417.77-66,152.63

Finding the Fourth Proportional to 119,867.47, 165,417.77 and 66,152.63

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Solution

The fourth proportional to 119,867.47, 165,417.77 and 66,152.63 is: 91,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,867.47 : 165,417.77 = 66,152.63 : x
  2. Step 2: Convert to fraction form
    119,867.47/165,417.77 = 66,152.63/x
  3. Step 3: Cross multiply
    119,867.47x = 165,417.77 × 66,152.63
  4. Step 4: Simplify right side
    119,867.47x = 10,942,821,113.16
  5. Step 5: Solve for x
    x = 10,942,821,113.16/119,867.47
  6. Step 6: Final answer
    x = 91,291.00

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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.