Home / 124,423.64-171,725.91-86,238.62

Finding the Fourth Proportional to 124,423.64, 171,725.91 and 86,238.62

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Solution

The fourth proportional to 124,423.64, 171,725.91 and 86,238.62 is: 119,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,423.64 : 171,725.91 = 86,238.62 : x
  2. Step 2: Convert to fraction form
    124,423.64/171,725.91 = 86,238.62/x
  3. Step 3: Cross multiply
    124,423.64x = 171,725.91 × 86,238.62
  4. Step 4: Simplify right side
    124,423.64x = 14,809,405,496.64
  5. Step 5: Solve for x
    x = 14,809,405,496.64/124,423.64
  6. Step 6: Final answer
    x = 119,024.05

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1.5x scale

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.