Home / 283,060.67-390,626.82-153,999.87

Finding the Fourth Proportional to 283,060.67, 390,626.82 and 153,999.87

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Solution

The fourth proportional to 283,060.67, 390,626.82 and 153,999.87 is: 212,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,060.67 : 390,626.82 = 153,999.87 : x
  2. Step 2: Convert to fraction form
    283,060.67/390,626.82 = 153,999.87/x
  3. Step 3: Cross multiply
    283,060.67x = 390,626.82 × 153,999.87
  4. Step 4: Simplify right side
    283,060.67x = 60,156,480,090.08
  5. Step 5: Solve for x
    x = 60,156,480,090.08/283,060.67
  6. Step 6: Final answer
    x = 212,521.51

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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.