Home / 122,337.58-183,506.37-86,908.18

Finding the Fourth Proportional to 122,337.58, 183,506.37 and 86,908.18

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Solution

The fourth proportional to 122,337.58, 183,506.37 and 86,908.18 is: 130,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,337.58 : 183,506.37 = 86,908.18 : x
  2. Step 2: Convert to fraction form
    122,337.58/183,506.37 = 86,908.18/x
  3. Step 3: Cross multiply
    122,337.58x = 183,506.37 × 86,908.18
  4. Step 4: Simplify right side
    122,337.58x = 15,948,203,283.03
  5. Step 5: Solve for x
    x = 15,948,203,283.03/122,337.58
  6. Step 6: Final answer
    x = 130,362.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.