Home / 113,410.12-156,512.10-63,110.20

Finding the Fourth Proportional to 113,410.12, 156,512.10 and 63,110.20

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Solution

The fourth proportional to 113,410.12, 156,512.10 and 63,110.20 is: 87,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,410.12 : 156,512.10 = 63,110.20 : x
  2. Step 2: Convert to fraction form
    113,410.12/156,512.10 = 63,110.20/x
  3. Step 3: Cross multiply
    113,410.12x = 156,512.10 × 63,110.20
  4. Step 4: Simplify right side
    113,410.12x = 9,877,509,933.42
  5. Step 5: Solve for x
    x = 9,877,509,933.42/113,410.12
  6. Step 6: Final answer
    x = 87,095.49

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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.