Home / 157,005.18-235,570.68-57,172.32

Finding the Fourth Proportional to 157,005.18, 235,570.68 and 57,172.32

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Solution

The fourth proportional to 157,005.18, 235,570.68 and 57,172.32 is: 85,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,005.18 : 235,570.68 = 57,172.32 : x
  2. Step 2: Convert to fraction form
    157,005.18/235,570.68 = 57,172.32/x
  3. Step 3: Cross multiply
    157,005.18x = 235,570.68 × 57,172.32
  4. Step 4: Simplify right side
    157,005.18x = 13,468,122,299.58
  5. Step 5: Solve for x
    x = 13,468,122,299.58/157,005.18
  6. Step 6: Final answer
    x = 85,781.39

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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.