Home / 142,641.02-213,995.30-46,577.76

Finding the Fourth Proportional to 142,641.02, 213,995.30 and 46,577.76

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Solution

The fourth proportional to 142,641.02, 213,995.30 and 46,577.76 is: 69,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,641.02 : 213,995.30 = 46,577.76 : x
  2. Step 2: Convert to fraction form
    142,641.02/213,995.30 = 46,577.76/x
  3. Step 3: Cross multiply
    142,641.02x = 213,995.30 × 46,577.76
  4. Step 4: Simplify right side
    142,641.02x = 9,967,421,724.53
  5. Step 5: Solve for x
    x = 9,967,421,724.53/142,641.02
  6. Step 6: Final answer
    x = 69,877.67

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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.