Home / 113,741.22-156,962.49-63,440.18

Finding the Fourth Proportional to 113,741.22, 156,962.49 and 63,440.18

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Solution

The fourth proportional to 113,741.22, 156,962.49 and 63,440.18 is: 87,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,741.22 : 156,962.49 = 63,440.18 : x
  2. Step 2: Convert to fraction form
    113,741.22/156,962.49 = 63,440.18/x
  3. Step 3: Cross multiply
    113,741.22x = 156,962.49 × 63,440.18
  4. Step 4: Simplify right side
    113,741.22x = 9,957,728,618.85
  5. Step 5: Solve for x
    x = 9,957,728,618.85/113,741.22
  6. Step 6: Final answer
    x = 87,547.23

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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.