Home / 119,135.08-164,392.77-70,719.76

Finding the Fourth Proportional to 119,135.08, 164,392.77 and 70,719.76

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Solution

The fourth proportional to 119,135.08, 164,392.77 and 70,719.76 is: 97,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,135.08 : 164,392.77 = 70,719.76 : x
  2. Step 2: Convert to fraction form
    119,135.08/164,392.77 = 70,719.76/x
  3. Step 3: Cross multiply
    119,135.08x = 164,392.77 × 70,719.76
  4. Step 4: Simplify right side
    119,135.08x = 11,625,817,240.14
  5. Step 5: Solve for x
    x = 11,625,817,240.14/119,135.08
  6. Step 6: Final answer
    x = 97,585.17

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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.