Home / 158,579.17-237,762.64-83,620.15

Finding the Fourth Proportional to 158,579.17, 237,762.64 and 83,620.15

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Solution

The fourth proportional to 158,579.17, 237,762.64 and 83,620.15 is: 125,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,579.17 : 237,762.64 = 83,620.15 : x
  2. Step 2: Convert to fraction form
    158,579.17/237,762.64 = 83,620.15/x
  3. Step 3: Cross multiply
    158,579.17x = 237,762.64 × 83,620.15
  4. Step 4: Simplify right side
    158,579.17x = 19,881,747,131.31
  5. Step 5: Solve for x
    x = 19,881,747,131.31/158,579.17
  6. Step 6: Final answer
    x = 125,374.27

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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.