Home / 185,318.79-255,738.06-103,646.18

Finding the Fourth Proportional to 185,318.79, 255,738.06 and 103,646.18

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Solution

The fourth proportional to 185,318.79, 255,738.06 and 103,646.18 is: 143,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,318.79 : 255,738.06 = 103,646.18 : x
  2. Step 2: Convert to fraction form
    185,318.79/255,738.06 = 103,646.18/x
  3. Step 3: Cross multiply
    185,318.79x = 255,738.06 × 103,646.18
  4. Step 4: Simplify right side
    185,318.79x = 26,506,273,638.96
  5. Step 5: Solve for x
    x = 26,506,273,638.96/185,318.79
  6. Step 6: Final answer
    x = 143,030.69

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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.