Home / 119,391.23-164,756.40-65,676.21

Finding the Fourth Proportional to 119,391.23, 164,756.40 and 65,676.21

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Solution

The fourth proportional to 119,391.23, 164,756.40 and 65,676.21 is: 90,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,391.23 : 164,756.40 = 65,676.21 : x
  2. Step 2: Convert to fraction form
    119,391.23/164,756.40 = 65,676.21/x
  3. Step 3: Cross multiply
    119,391.23x = 164,756.40 × 65,676.21
  4. Step 4: Simplify right side
    119,391.23x = 10,820,575,925.24
  5. Step 5: Solve for x
    x = 10,820,575,925.24/119,391.23
  6. Step 6: Final answer
    x = 90,631.25

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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.