Home / 141,840.04-212,759.40-42,000.80

Finding the Fourth Proportional to 141,840.04, 212,759.40 and 42,000.80

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Solution

The fourth proportional to 141,840.04, 212,759.40 and 42,000.80 is: 63,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,840.04 : 212,759.40 = 42,000.80 : x
  2. Step 2: Convert to fraction form
    141,840.04/212,759.40 = 42,000.80/x
  3. Step 3: Cross multiply
    141,840.04x = 212,759.40 × 42,000.80
  4. Step 4: Simplify right side
    141,840.04x = 8,936,065,007.52
  5. Step 5: Solve for x
    x = 8,936,065,007.52/141,840.04
  6. Step 6: Final answer
    x = 63,001.00

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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.