Home / 109,526.45-151,148.48-64,237.12

Finding the Fourth Proportional to 109,526.45, 151,148.48 and 64,237.12

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Solution

The fourth proportional to 109,526.45, 151,148.48 and 64,237.12 is: 88,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,526.45 : 151,148.48 = 64,237.12 : x
  2. Step 2: Convert to fraction form
    109,526.45/151,148.48 = 64,237.12/x
  3. Step 3: Cross multiply
    109,526.45x = 151,148.48 × 64,237.12
  4. Step 4: Simplify right side
    109,526.45x = 9,709,342,348.52
  5. Step 5: Solve for x
    x = 9,709,342,348.52/109,526.45
  6. Step 6: Final answer
    x = 88,648.38

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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.