Home / 113,914.24-157,196.64-63,612.16

Finding the Fourth Proportional to 113,914.24, 157,196.64 and 63,612.16

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Solution

The fourth proportional to 113,914.24, 157,196.64 and 63,612.16 is: 87,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,914.24 : 157,196.64 = 63,612.16 : x
  2. Step 2: Convert to fraction form
    113,914.24/157,196.64 = 63,612.16/x
  3. Step 3: Cross multiply
    113,914.24x = 157,196.64 × 63,612.16
  4. Step 4: Simplify right side
    113,914.24x = 9,999,617,815.14
  5. Step 5: Solve for x
    x = 9,999,617,815.14/113,914.24
  6. Step 6: Final answer
    x = 87,781.98

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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.