Home / 157,072.04-235,683.66-78,193.16

Finding the Fourth Proportional to 157,072.04, 235,683.66 and 78,193.16

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Solution

The fourth proportional to 157,072.04, 235,683.66 and 78,193.16 is: 117,327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,072.04 : 235,683.66 = 78,193.16 : x
  2. Step 2: Convert to fraction form
    157,072.04/235,683.66 = 78,193.16/x
  3. Step 3: Cross multiply
    157,072.04x = 235,683.66 × 78,193.16
  4. Step 4: Simplify right side
    157,072.04x = 18,428,850,135.77
  5. Step 5: Solve for x
    x = 18,428,850,135.77/157,072.04
  6. Step 6: Final answer
    x = 117,327.37

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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.