Home / 113,078.16-156,115.48-70,694.08

Finding the Fourth Proportional to 113,078.16, 156,115.48 and 70,694.08

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Solution

The fourth proportional to 113,078.16, 156,115.48 and 70,694.08 is: 97,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,078.16 : 156,115.48 = 70,694.08 : x
  2. Step 2: Convert to fraction form
    113,078.16/156,115.48 = 70,694.08/x
  3. Step 3: Cross multiply
    113,078.16x = 156,115.48 × 70,694.08
  4. Step 4: Simplify right side
    113,078.16x = 11,036,440,232.36
  5. Step 5: Solve for x
    x = 11,036,440,232.36/113,078.16
  6. Step 6: Final answer
    x = 97,600.10

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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.