Home / 113,853.60-157,088.70-75,668.58

Finding the Fourth Proportional to 113,853.60, 157,088.70 and 75,668.58

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Solution

The fourth proportional to 113,853.60, 157,088.70 and 75,668.58 is: 104,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,853.60 : 157,088.70 = 75,668.58 : x
  2. Step 2: Convert to fraction form
    113,853.60/157,088.70 = 75,668.58/x
  3. Step 3: Cross multiply
    113,853.60x = 157,088.70 × 75,668.58
  4. Step 4: Simplify right side
    113,853.60x = 11,886,678,863.05
  5. Step 5: Solve for x
    x = 11,886,678,863.05/113,853.60
  6. Step 6: Final answer
    x = 104,403.19

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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.