Home / 354,030.20-488,567.29-192,885.21

Finding the Fourth Proportional to 354,030.20, 488,567.29 and 192,885.21

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Solution

The fourth proportional to 354,030.20, 488,567.29 and 192,885.21 is: 266,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,030.20 : 488,567.29 = 192,885.21 : x
  2. Step 2: Convert to fraction form
    354,030.20/488,567.29 = 192,885.21/x
  3. Step 3: Cross multiply
    354,030.20x = 488,567.29 × 192,885.21
  4. Step 4: Simplify right side
    354,030.20x = 94,237,402,293.64
  5. Step 5: Solve for x
    x = 94,237,402,293.64/354,030.20
  6. Step 6: Final answer
    x = 266,184.64

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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.