Home / 113,160.53-156,160.91-61,477.20

Finding the Fourth Proportional to 113,160.53, 156,160.91 and 61,477.20

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Solution

The fourth proportional to 113,160.53, 156,160.91 and 61,477.20 is: 84,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,160.53 : 156,160.91 = 61,477.20 : x
  2. Step 2: Convert to fraction form
    113,160.53/156,160.91 = 61,477.20/x
  3. Step 3: Cross multiply
    113,160.53x = 156,160.91 × 61,477.20
  4. Step 4: Simplify right side
    113,160.53x = 9,600,335,649.95
  5. Step 5: Solve for x
    x = 9,600,335,649.95/113,160.53
  6. Step 6: Final answer
    x = 84,838.20

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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.