Home / 131,258.74-181,125.58-73,111.10

Finding the Fourth Proportional to 131,258.74, 181,125.58 and 73,111.10

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Solution

The fourth proportional to 131,258.74, 181,125.58 and 73,111.10 is: 100,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,258.74 : 181,125.58 = 73,111.10 : x
  2. Step 2: Convert to fraction form
    131,258.74/181,125.58 = 73,111.10/x
  3. Step 3: Cross multiply
    131,258.74x = 181,125.58 × 73,111.10
  4. Step 4: Simplify right side
    131,258.74x = 13,242,290,391.94
  5. Step 5: Solve for x
    x = 13,242,290,391.94/131,258.74
  6. Step 6: Final answer
    x = 100,886.92

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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.