Home / 117,567.59-162,149.46-77,322.70

Finding the Fourth Proportional to 117,567.59, 162,149.46 and 77,322.70

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Solution

The fourth proportional to 117,567.59, 162,149.46 and 77,322.70 is: 106,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,567.59 : 162,149.46 = 77,322.70 : x
  2. Step 2: Convert to fraction form
    117,567.59/162,149.46 = 77,322.70/x
  3. Step 3: Cross multiply
    117,567.59x = 162,149.46 × 77,322.70
  4. Step 4: Simplify right side
    117,567.59x = 12,537,833,239.99
  5. Step 5: Solve for x
    x = 12,537,833,239.99/117,567.59
  6. Step 6: Final answer
    x = 106,643.62

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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.