Home / 141,440.16-212,257.44-91,498.80

Finding the Fourth Proportional to 141,440.16, 212,257.44 and 91,498.80

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Solution

The fourth proportional to 141,440.16, 212,257.44 and 91,498.80 is: 137,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,440.16 : 212,257.44 = 91,498.80 : x
  2. Step 2: Convert to fraction form
    141,440.16/212,257.44 = 91,498.80/x
  3. Step 3: Cross multiply
    141,440.16x = 212,257.44 × 91,498.80
  4. Step 4: Simplify right side
    141,440.16x = 19,421,301,051.07
  5. Step 5: Solve for x
    x = 19,421,301,051.07/141,440.16
  6. Step 6: Final answer
    x = 137,311.08

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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.