Home / 194,681.20-292,021.80-132,012.40

Finding the Fourth Proportional to 194,681.20, 292,021.80 and 132,012.40

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Solution

The fourth proportional to 194,681.20, 292,021.80 and 132,012.40 is: 198,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,681.20 : 292,021.80 = 132,012.40 : x
  2. Step 2: Convert to fraction form
    194,681.20/292,021.80 = 132,012.40/x
  3. Step 3: Cross multiply
    194,681.20x = 292,021.80 × 132,012.40
  4. Step 4: Simplify right side
    194,681.20x = 38,550,498,670.32
  5. Step 5: Solve for x
    x = 38,550,498,670.32/194,681.20
  6. Step 6: Final answer
    x = 198,018.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.