Home / 124,282.36-171,521.58-76,563.64

Finding the Fourth Proportional to 124,282.36, 171,521.58 and 76,563.64

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Solution

The fourth proportional to 124,282.36, 171,521.58 and 76,563.64 is: 105,665.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,282.36 : 171,521.58 = 76,563.64 : x
  2. Step 2: Convert to fraction form
    124,282.36/171,521.58 = 76,563.64/x
  3. Step 3: Cross multiply
    124,282.36x = 171,521.58 × 76,563.64
  4. Step 4: Simplify right side
    124,282.36x = 13,132,316,503.35
  5. Step 5: Solve for x
    x = 13,132,316,503.35/124,282.36
  6. Step 6: Final answer
    x = 105,665.17

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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.