Home / 152,948.16-211,089.24-85,893.12

Finding the Fourth Proportional to 152,948.16, 211,089.24 and 85,893.12

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Solution

The fourth proportional to 152,948.16, 211,089.24 and 85,893.12 is: 118,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,948.16 : 211,089.24 = 85,893.12 : x
  2. Step 2: Convert to fraction form
    152,948.16/211,089.24 = 85,893.12/x
  3. Step 3: Cross multiply
    152,948.16x = 211,089.24 × 85,893.12
  4. Step 4: Simplify right side
    152,948.16x = 18,131,113,422.03
  5. Step 5: Solve for x
    x = 18,131,113,422.03/152,948.16
  6. Step 6: Final answer
    x = 118,544.17

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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.