Home / 113,370.06-156,434.16-68,038.44

Finding the Fourth Proportional to 113,370.06, 156,434.16 and 68,038.44

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Solution

The fourth proportional to 113,370.06, 156,434.16 and 68,038.44 is: 93,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,370.06 : 156,434.16 = 68,038.44 : x
  2. Step 2: Convert to fraction form
    113,370.06/156,434.16 = 68,038.44/x
  3. Step 3: Cross multiply
    113,370.06x = 156,434.16 × 68,038.44
  4. Step 4: Simplify right side
    113,370.06x = 10,643,536,209.11
  5. Step 5: Solve for x
    x = 10,643,536,209.11/113,370.06
  6. Step 6: Final answer
    x = 93,883.13

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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.