Home / 283,099.02-390,549.67-191,188.45

Finding the Fourth Proportional to 283,099.02, 390,549.67 and 191,188.45

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Solution

The fourth proportional to 283,099.02, 390,549.67 and 191,188.45 is: 263,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,099.02 : 390,549.67 = 191,188.45 : x
  2. Step 2: Convert to fraction form
    283,099.02/390,549.67 = 191,188.45/x
  3. Step 3: Cross multiply
    283,099.02x = 390,549.67 × 191,188.45
  4. Step 4: Simplify right side
    283,099.02x = 74,668,586,065.53
  5. Step 5: Solve for x
    x = 74,668,586,065.53/283,099.02
  6. Step 6: Final answer
    x = 263,754.31

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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.