Home / 109,653.70-151,323.38-64,332.46

Finding the Fourth Proportional to 109,653.70, 151,323.38 and 64,332.46

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Solution

The fourth proportional to 109,653.70, 151,323.38 and 64,332.46 is: 88,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,653.70 : 151,323.38 = 64,332.46 : x
  2. Step 2: Convert to fraction form
    109,653.70/151,323.38 = 64,332.46/x
  3. Step 3: Cross multiply
    109,653.70x = 151,323.38 × 64,332.46
  4. Step 4: Simplify right side
    109,653.70x = 9,735,005,290.91
  5. Step 5: Solve for x
    x = 9,735,005,290.91/109,653.70
  6. Step 6: Final answer
    x = 88,779.54

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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.