Home / 105,549.70-158,324.86-25,587.35

Finding the Fourth Proportional to 105,549.70, 158,324.86 and 25,587.35

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Solution

The fourth proportional to 105,549.70, 158,324.86 and 25,587.35 is: 38,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,549.70 : 158,324.86 = 25,587.35 : x
  2. Step 2: Convert to fraction form
    105,549.70/158,324.86 = 25,587.35/x
  3. Step 3: Cross multiply
    105,549.70x = 158,324.86 × 25,587.35
  4. Step 4: Simplify right side
    105,549.70x = 4,051,113,606.52
  5. Step 5: Solve for x
    x = 4,051,113,606.52/105,549.70
  6. Step 6: Final answer
    x = 38,381.10

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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.