Home / 117,560.04-162,158.94-69,779.76

Finding the Fourth Proportional to 117,560.04, 162,158.94 and 69,779.76

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Solution

The fourth proportional to 117,560.04, 162,158.94 and 69,779.76 is: 96,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,560.04 : 162,158.94 = 69,779.76 : x
  2. Step 2: Convert to fraction form
    117,560.04/162,158.94 = 69,779.76/x
  3. Step 3: Cross multiply
    117,560.04x = 162,158.94 × 69,779.76
  4. Step 4: Simplify right side
    117,560.04x = 11,315,411,915.05
  5. Step 5: Solve for x
    x = 11,315,411,915.05/117,560.04
  6. Step 6: Final answer
    x = 96,252.20

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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.