Home / 330,119.70-455,567.10-194,159.40

Finding the Fourth Proportional to 330,119.70, 455,567.10 and 194,159.40

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Solution

The fourth proportional to 330,119.70, 455,567.10 and 194,159.40 is: 267,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,119.70 : 455,567.10 = 194,159.40 : x
  2. Step 2: Convert to fraction form
    330,119.70/455,567.10 = 194,159.40/x
  3. Step 3: Cross multiply
    330,119.70x = 455,567.10 × 194,159.40
  4. Step 4: Simplify right side
    330,119.70x = 88,452,634,795.74
  5. Step 5: Solve for x
    x = 88,452,634,795.74/330,119.70
  6. Step 6: Final answer
    x = 267,941.10

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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.