Home / 119,538.02-164,907.06-77,110.22

Finding the Fourth Proportional to 119,538.02, 164,907.06 and 77,110.22

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Solution

The fourth proportional to 119,538.02, 164,907.06 and 77,110.22 is: 106,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,538.02 : 164,907.06 = 77,110.22 : x
  2. Step 2: Convert to fraction form
    119,538.02/164,907.06 = 77,110.22/x
  3. Step 3: Cross multiply
    119,538.02x = 164,907.06 × 77,110.22
  4. Step 4: Simplify right side
    119,538.02x = 12,716,019,676.15
  5. Step 5: Solve for x
    x = 12,716,019,676.15/119,538.02
  6. Step 6: Final answer
    x = 106,376.36

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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.