Home / 113,962.14-157,172.40-83,373.30

Finding the Fourth Proportional to 113,962.14, 157,172.40 and 83,373.30

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Solution

The fourth proportional to 113,962.14, 157,172.40 and 83,373.30 is: 114,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,962.14 : 157,172.40 = 83,373.30 : x
  2. Step 2: Convert to fraction form
    113,962.14/157,172.40 = 83,373.30/x
  3. Step 3: Cross multiply
    113,962.14x = 157,172.40 × 83,373.30
  4. Step 4: Simplify right side
    113,962.14x = 13,103,981,656.92
  5. Step 5: Solve for x
    x = 13,103,981,656.92/113,962.14
  6. Step 6: Final answer
    x = 114,985.39

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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.