Home / 117,464.50-162,235.56-77,357.53

Finding the Fourth Proportional to 117,464.50, 162,235.56 and 77,357.53

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Solution

The fourth proportional to 117,464.50, 162,235.56 and 77,357.53 is: 106,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,464.50 : 162,235.56 = 77,357.53 : x
  2. Step 2: Convert to fraction form
    117,464.50/162,235.56 = 77,357.53/x
  3. Step 3: Cross multiply
    117,464.50x = 162,235.56 × 77,357.53
  4. Step 4: Simplify right side
    117,464.50x = 12,550,142,199.77
  5. Step 5: Solve for x
    x = 12,550,142,199.77/117,464.50
  6. Step 6: Final answer
    x = 106,842.00

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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.