Home / 141,867.60-212,801.40-42,043.20

Finding the Fourth Proportional to 141,867.60, 212,801.40 and 42,043.20

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Solution

The fourth proportional to 141,867.60, 212,801.40 and 42,043.20 is: 63,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,867.60 : 212,801.40 = 42,043.20 : x
  2. Step 2: Convert to fraction form
    141,867.60/212,801.40 = 42,043.20/x
  3. Step 3: Cross multiply
    141,867.60x = 212,801.40 × 42,043.20
  4. Step 4: Simplify right side
    141,867.60x = 8,946,851,820.48
  5. Step 5: Solve for x
    x = 8,946,851,820.48/141,867.60
  6. Step 6: Final answer
    x = 63,064.80

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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.