Home / 142,441.02-213,510.87-53,656.14

Finding the Fourth Proportional to 142,441.02, 213,510.87 and 53,656.14

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Solution

The fourth proportional to 142,441.02, 213,510.87 and 53,656.14 is: 80,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,441.02 : 213,510.87 = 53,656.14 : x
  2. Step 2: Convert to fraction form
    142,441.02/213,510.87 = 53,656.14/x
  3. Step 3: Cross multiply
    142,441.02x = 213,510.87 × 53,656.14
  4. Step 4: Simplify right side
    142,441.02x = 11,456,169,132.24
  5. Step 5: Solve for x
    x = 11,456,169,132.24/142,441.02
  6. Step 6: Final answer
    x = 80,427.46

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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.