Home / 106,607.02-147,126.32-61,299.73

Finding the Fourth Proportional to 106,607.02, 147,126.32 and 61,299.73

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Solution

The fourth proportional to 106,607.02, 147,126.32 and 61,299.73 is: 84,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,607.02 : 147,126.32 = 61,299.73 : x
  2. Step 2: Convert to fraction form
    106,607.02/147,126.32 = 61,299.73/x
  3. Step 3: Cross multiply
    106,607.02x = 147,126.32 × 61,299.73
  4. Step 4: Simplify right side
    106,607.02x = 9,018,804,040.54
  5. Step 5: Solve for x
    x = 9,018,804,040.54/106,607.02
  6. Step 6: Final answer
    x = 84,598.59

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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.