Home / 142,492.80-213,720.96-37,311.36

Finding the Fourth Proportional to 142,492.80, 213,720.96 and 37,311.36

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Solution

The fourth proportional to 142,492.80, 213,720.96 and 37,311.36 is: 55,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,492.80 : 213,720.96 = 37,311.36 : x
  2. Step 2: Convert to fraction form
    142,492.80/213,720.96 = 37,311.36/x
  3. Step 3: Cross multiply
    142,492.80x = 213,720.96 × 37,311.36
  4. Step 4: Simplify right side
    142,492.80x = 7,974,219,678.11
  5. Step 5: Solve for x
    x = 7,974,219,678.11/142,492.80
  6. Step 6: Final answer
    x = 55,962.26

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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.