Home / 212,045.28-292,623.12-116,561.76

Finding the Fourth Proportional to 212,045.28, 292,623.12 and 116,561.76

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Solution

The fourth proportional to 212,045.28, 292,623.12 and 116,561.76 is: 160,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,045.28 : 292,623.12 = 116,561.76 : x
  2. Step 2: Convert to fraction form
    212,045.28/292,623.12 = 116,561.76/x
  3. Step 3: Cross multiply
    212,045.28x = 292,623.12 × 116,561.76
  4. Step 4: Simplify right side
    212,045.28x = 34,108,665,883.89
  5. Step 5: Solve for x
    x = 34,108,665,883.89/212,045.28
  6. Step 6: Final answer
    x = 160,855.58

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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.