Home / 119,055.12-164,302.02-65,339.66

Finding the Fourth Proportional to 119,055.12, 164,302.02 and 65,339.66

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Solution

The fourth proportional to 119,055.12, 164,302.02 and 65,339.66 is: 90,172.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,055.12 : 164,302.02 = 65,339.66 : x
  2. Step 2: Convert to fraction form
    119,055.12/164,302.02 = 65,339.66/x
  3. Step 3: Cross multiply
    119,055.12x = 164,302.02 × 65,339.66
  4. Step 4: Simplify right side
    119,055.12x = 10,735,438,534.87
  5. Step 5: Solve for x
    x = 10,735,438,534.87/119,055.12
  6. Step 6: Final answer
    x = 90,172.00

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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.